Home / 731,357.92-1,009,367.40-409,085.92

Finding the Fourth Proportional to 731,357.92, 1,009,367.40 and 409,085.92

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Solution

The fourth proportional to 731,357.92, 1,009,367.40 and 409,085.92 is: 564,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,357.92 : 1,009,367.40 = 409,085.92 : x
  2. Step 2: Convert to fraction form
    731,357.92/1,009,367.40 = 409,085.92/x
  3. Step 3: Cross multiply
    731,357.92x = 1,009,367.40 × 409,085.92
  4. Step 4: Simplify right side
    731,357.92x = 412,917,991,447.01
  5. Step 5: Solve for x
    x = 412,917,991,447.01/731,357.92
  6. Step 6: Final answer
    x = 564,590.85

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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.