Home / 734,140.72-1,013,121.12-411,857.76

Finding the Fourth Proportional to 734,140.72, 1,013,121.12 and 411,857.76

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Solution

The fourth proportional to 734,140.72, 1,013,121.12 and 411,857.76 is: 568,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,140.72 : 1,013,121.12 = 411,857.76 : x
  2. Step 2: Convert to fraction form
    734,140.72/1,013,121.12 = 411,857.76/x
  3. Step 3: Cross multiply
    734,140.72x = 1,013,121.12 × 411,857.76
  4. Step 4: Simplify right side
    734,140.72x = 417,261,798,118.86
  5. Step 5: Solve for x
    x = 417,261,798,118.86/734,140.72
  6. Step 6: Final answer
    x = 568,367.60

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Double scale
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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.