Home / 1,251,113.55-1,726,539.62-678,151.14

Finding the Fourth Proportional to 1,251,113.55, 1,726,539.62 and 678,151.14

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Solution

The fourth proportional to 1,251,113.55, 1,726,539.62 and 678,151.14 is: 935,850.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,113.55 : 1,726,539.62 = 678,151.14 : x
  2. Step 2: Convert to fraction form
    1,251,113.55/1,726,539.62 = 678,151.14/x
  3. Step 3: Cross multiply
    1,251,113.55x = 1,726,539.62 × 678,151.14
  4. Step 4: Simplify right side
    1,251,113.55x = 1,170,854,808,167.41
  5. Step 5: Solve for x
    x = 1,170,854,808,167.41/1,251,113.55
  6. Step 6: Final answer
    x = 935,850.15

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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.