Home / 502,043.91-692,800-272,592.28

Finding the Fourth Proportional to 502,043.91, 692,800 and 272,592.28

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Solution

The fourth proportional to 502,043.91, 692,800 and 272,592.28 is: 376,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,043.91 : 692,800 = 272,592.28 : x
  2. Step 2: Convert to fraction form
    502,043.91/692,800 = 272,592.28/x
  3. Step 3: Cross multiply
    502,043.91x = 692,800 × 272,592.28
  4. Step 4: Simplify right side
    502,043.91x = 188,851,931,584.00
  5. Step 5: Solve for x
    x = 188,851,931,584.00/502,043.91
  6. Step 6: Final answer
    x = 376,166.16

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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.