Home / 1,253,658.48-1,730,000.20-680,685.54

Finding the Fourth Proportional to 1,253,658.48, 1,730,000.20 and 680,685.54

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Solution

The fourth proportional to 1,253,658.48, 1,730,000.20 and 680,685.54 is: 939,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,658.48 : 1,730,000.20 = 680,685.54 : x
  2. Step 2: Convert to fraction form
    1,253,658.48/1,730,000.20 = 680,685.54/x
  3. Step 3: Cross multiply
    1,253,658.48x = 1,730,000.20 × 680,685.54
  4. Step 4: Simplify right side
    1,253,658.48x = 1,177,586,125,069.86
  5. Step 5: Solve for x
    x = 1,177,586,125,069.86/1,253,658.48
  6. Step 6: Final answer
    x = 939,319.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.