Home / 734,569.47-1,013,705.85-412,279.56

Finding the Fourth Proportional to 734,569.47, 1,013,705.85 and 412,279.56

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Solution

The fourth proportional to 734,569.47, 1,013,705.85 and 412,279.56 is: 568,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,569.47 : 1,013,705.85 = 412,279.56 : x
  2. Step 2: Convert to fraction form
    734,569.47/1,013,705.85 = 412,279.56/x
  3. Step 3: Cross multiply
    734,569.47x = 1,013,705.85 × 412,279.56
  4. Step 4: Simplify right side
    734,569.47x = 417,930,201,807.43
  5. Step 5: Solve for x
    x = 417,930,201,807.43/734,569.47
  6. Step 6: Final answer
    x = 568,945.78

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Double scale
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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.