Home / 1,098,098.94-1,515,392.03-632,695.62

Finding the Fourth Proportional to 1,098,098.94, 1,515,392.03 and 632,695.62

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Solution

The fourth proportional to 1,098,098.94, 1,515,392.03 and 632,695.62 is: 873,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,098.94 : 1,515,392.03 = 632,695.62 : x
  2. Step 2: Convert to fraction form
    1,098,098.94/1,515,392.03 = 632,695.62/x
  3. Step 3: Cross multiply
    1,098,098.94x = 1,515,392.03 × 632,695.62
  4. Step 4: Simplify right side
    1,098,098.94x = 958,781,899,963.91
  5. Step 5: Solve for x
    x = 958,781,899,963.91/1,098,098.94
  6. Step 6: Final answer
    x = 873,128.88

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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.