Home / 734,545.32-1,013,771.45-412,273.05

Finding the Fourth Proportional to 734,545.32, 1,013,771.45 and 412,273.05

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Solution

The fourth proportional to 734,545.32, 1,013,771.45 and 412,273.05 is: 568,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,545.32 : 1,013,771.45 = 412,273.05 : x
  2. Step 2: Convert to fraction form
    734,545.32/1,013,771.45 = 412,273.05/x
  3. Step 3: Cross multiply
    734,545.32x = 1,013,771.45 × 412,273.05
  4. Step 4: Simplify right side
    734,545.32x = 417,950,647,694.42
  5. Step 5: Solve for x
    x = 417,950,647,694.42/734,545.32
  6. Step 6: Final answer
    x = 568,992.32

Related Problems

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Half scale
Find fourth proportional to 1,469,090.64, 2,027,542.90 and 824,546.10
Double scale
Find fourth proportional to 734,546.32, 1,013,772.83 and 412,274.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.