Home / 591,421.60-887,132.40-526,103.20

Finding the Fourth Proportional to 591,421.60, 887,132.40 and 526,103.20

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Solution

The fourth proportional to 591,421.60, 887,132.40 and 526,103.20 is: 789,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,421.60 : 887,132.40 = 526,103.20 : x
  2. Step 2: Convert to fraction form
    591,421.60/887,132.40 = 526,103.20/x
  3. Step 3: Cross multiply
    591,421.60x = 887,132.40 × 526,103.20
  4. Step 4: Simplify right side
    591,421.60x = 466,723,194,463.68
  5. Step 5: Solve for x
    x = 466,723,194,463.68/591,421.60
  6. Step 6: Final answer
    x = 789,154.80

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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.