Home / 656,543.18-984,900.89-257,132.04

Finding the Fourth Proportional to 656,543.18, 984,900.89 and 257,132.04

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Solution

The fourth proportional to 656,543.18, 984,900.89 and 257,132.04 is: 385,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,543.18 : 984,900.89 = 257,132.04 : x
  2. Step 2: Convert to fraction form
    656,543.18/984,900.89 = 257,132.04/x
  3. Step 3: Cross multiply
    656,543.18x = 984,900.89 × 257,132.04
  4. Step 4: Simplify right side
    656,543.18x = 253,249,573,757.86
  5. Step 5: Solve for x
    x = 253,249,573,757.86/656,543.18
  6. Step 6: Final answer
    x = 385,731.79

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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.