Home / 1,253,663.55-1,730,007.18-680,690.61

Finding the Fourth Proportional to 1,253,663.55, 1,730,007.18 and 680,690.61

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Solution

The fourth proportional to 1,253,663.55, 1,730,007.18 and 680,690.61 is: 939,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,663.55 : 1,730,007.18 = 680,690.61 : x
  2. Step 2: Convert to fraction form
    1,253,663.55/1,730,007.18 = 680,690.61/x
  3. Step 3: Cross multiply
    1,253,663.55x = 1,730,007.18 × 680,690.61
  4. Step 4: Simplify right side
    1,253,663.55x = 1,177,599,642,658.58
  5. Step 5: Solve for x
    x = 1,177,599,642,658.58/1,253,663.55
  6. Step 6: Final answer
    x = 939,326.70

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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.