Home / 734,140.20-1,013,098.22-407,434.24

Finding the Fourth Proportional to 734,140.20, 1,013,098.22 and 407,434.24

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Solution

The fourth proportional to 734,140.20, 1,013,098.22 and 407,434.24 is: 562,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,140.20 : 1,013,098.22 = 407,434.24 : x
  2. Step 2: Convert to fraction form
    734,140.20/1,013,098.22 = 407,434.24/x
  3. Step 3: Cross multiply
    734,140.20x = 1,013,098.22 × 407,434.24
  4. Step 4: Simplify right side
    734,140.20x = 412,770,904,362.31
  5. Step 5: Solve for x
    x = 412,770,904,362.31/734,140.20
  6. Step 6: Final answer
    x = 562,250.79

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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.