Home / 731,457.92-1,009,364.52-409,112.24

Finding the Fourth Proportional to 731,457.92, 1,009,364.52 and 409,112.24

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Solution

The fourth proportional to 731,457.92, 1,009,364.52 and 409,112.24 is: 564,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,457.92 : 1,009,364.52 = 409,112.24 : x
  2. Step 2: Convert to fraction form
    731,457.92/1,009,364.52 = 409,112.24/x
  3. Step 3: Cross multiply
    731,457.92x = 1,009,364.52 × 409,112.24
  4. Step 4: Simplify right side
    731,457.92x = 412,943,379,753.73
  5. Step 5: Solve for x
    x = 412,943,379,753.73/731,457.92
  6. Step 6: Final answer
    x = 564,548.37

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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.