Home / 745,099.20-1,117,648.80-656,525.70

Finding the Fourth Proportional to 745,099.20, 1,117,648.80 and 656,525.70

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Solution

The fourth proportional to 745,099.20, 1,117,648.80 and 656,525.70 is: 984,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,099.20 : 1,117,648.80 = 656,525.70 : x
  2. Step 2: Convert to fraction form
    745,099.20/1,117,648.80 = 656,525.70/x
  3. Step 3: Cross multiply
    745,099.20x = 1,117,648.80 × 656,525.70
  4. Step 4: Simplify right side
    745,099.20x = 733,765,160,774.16
  5. Step 5: Solve for x
    x = 733,765,160,774.16/745,099.20
  6. Step 6: Final answer
    x = 984,788.55

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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.