Home / 724,522.89-1,086,788.04-424,793.25

Finding the Fourth Proportional to 724,522.89, 1,086,788.04 and 424,793.25

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Solution

The fourth proportional to 724,522.89, 1,086,788.04 and 424,793.25 is: 637,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,522.89 : 1,086,788.04 = 424,793.25 : x
  2. Step 2: Convert to fraction form
    724,522.89/1,086,788.04 = 424,793.25/x
  3. Step 3: Cross multiply
    724,522.89x = 1,086,788.04 × 424,793.25
  4. Step 4: Simplify right side
    724,522.89x = 461,660,223,572.73
  5. Step 5: Solve for x
    x = 461,660,223,572.73/724,522.89
  6. Step 6: Final answer
    x = 637,192.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.