Home / 731,794.50-1,009,731.42-409,442.04

Finding the Fourth Proportional to 731,794.50, 1,009,731.42 and 409,442.04

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Solution

The fourth proportional to 731,794.50, 1,009,731.42 and 409,442.04 is: 564,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,794.50 : 1,009,731.42 = 409,442.04 : x
  2. Step 2: Convert to fraction form
    731,794.50/1,009,731.42 = 409,442.04/x
  3. Step 3: Cross multiply
    731,794.50x = 1,009,731.42 × 409,442.04
  4. Step 4: Simplify right side
    731,794.50x = 413,426,492,456.90
  5. Step 5: Solve for x
    x = 413,426,492,456.90/731,794.50
  6. Step 6: Final answer
    x = 564,948.89

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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.