Home / 856,657.97-1,182,187.62-512,508.46

Finding the Fourth Proportional to 856,657.97, 1,182,187.62 and 512,508.46

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Solution

The fourth proportional to 856,657.97, 1,182,187.62 and 512,508.46 is: 707,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,657.97 : 1,182,187.62 = 512,508.46 : x
  2. Step 2: Convert to fraction form
    856,657.97/1,182,187.62 = 512,508.46/x
  3. Step 3: Cross multiply
    856,657.97x = 1,182,187.62 × 512,508.46
  4. Step 4: Simplify right side
    856,657.97x = 605,881,156,557.27
  5. Step 5: Solve for x
    x = 605,881,156,557.27/856,657.97
  6. Step 6: Final answer
    x = 707,261.45

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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.