Home / 731,458.92-1,009,365.90-409,113.24

Finding the Fourth Proportional to 731,458.92, 1,009,365.90 and 409,113.24

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Solution

The fourth proportional to 731,458.92, 1,009,365.90 and 409,113.24 is: 564,549.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,458.92 : 1,009,365.90 = 409,113.24 : x
  2. Step 2: Convert to fraction form
    731,458.92/1,009,365.90 = 409,113.24/x
  3. Step 3: Cross multiply
    731,458.92x = 1,009,365.90 × 409,113.24
  4. Step 4: Simplify right side
    731,458.92x = 412,944,953,694.52
  5. Step 5: Solve for x
    x = 412,944,953,694.52/731,458.92
  6. Step 6: Final answer
    x = 564,549.75

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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.