Home / 939,800.92-1,296,335.22-557,557

Finding the Fourth Proportional to 939,800.92, 1,296,335.22 and 557,557

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Solution

The fourth proportional to 939,800.92, 1,296,335.22 and 557,557 is: 769,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,800.92 : 1,296,335.22 = 557,557 : x
  2. Step 2: Convert to fraction form
    939,800.92/1,296,335.22 = 557,557/x
  3. Step 3: Cross multiply
    939,800.92x = 1,296,335.22 × 557,557
  4. Step 4: Simplify right side
    939,800.92x = 722,780,776,257.54
  5. Step 5: Solve for x
    x = 722,780,776,257.54/939,800.92
  6. Step 6: Final answer
    x = 769,078.60

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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.