Home / 734,767.45-1,013,975.01-412,477.46

Finding the Fourth Proportional to 734,767.45, 1,013,975.01 and 412,477.46

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Solution

The fourth proportional to 734,767.45, 1,013,975.01 and 412,477.46 is: 569,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,767.45 : 1,013,975.01 = 412,477.46 : x
  2. Step 2: Convert to fraction form
    734,767.45/1,013,975.01 = 412,477.46/x
  3. Step 3: Cross multiply
    734,767.45x = 1,013,975.01 × 412,477.46
  4. Step 4: Simplify right side
    734,767.45x = 418,241,841,064.42
  5. Step 5: Solve for x
    x = 418,241,841,064.42/734,767.45
  6. Step 6: Final answer
    x = 569,216.61

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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.