Home / 869,424.40-1,304,136.60-587,414.80

Finding the Fourth Proportional to 869,424.40, 1,304,136.60 and 587,414.80

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Solution

The fourth proportional to 869,424.40, 1,304,136.60 and 587,414.80 is: 881,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,424.40 : 1,304,136.60 = 587,414.80 : x
  2. Step 2: Convert to fraction form
    869,424.40/1,304,136.60 = 587,414.80/x
  3. Step 3: Cross multiply
    869,424.40x = 1,304,136.60 × 587,414.80
  4. Step 4: Simplify right side
    869,424.40x = 766,069,140,061.68
  5. Step 5: Solve for x
    x = 766,069,140,061.68/869,424.40
  6. Step 6: Final answer
    x = 881,122.20

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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.