Home / 732,129.60-1,098,374.40-252,364.80

Finding the Fourth Proportional to 732,129.60, 1,098,374.40 and 252,364.80

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Solution

The fourth proportional to 732,129.60, 1,098,374.40 and 252,364.80 is: 378,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,129.60 : 1,098,374.40 = 252,364.80 : x
  2. Step 2: Convert to fraction form
    732,129.60/1,098,374.40 = 252,364.80/x
  3. Step 3: Cross multiply
    732,129.60x = 1,098,374.40 × 252,364.80
  4. Step 4: Simplify right side
    732,129.60x = 277,191,035,781.12
  5. Step 5: Solve for x
    x = 277,191,035,781.12/732,129.60
  6. Step 6: Final answer
    x = 378,609.25

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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.