Home / 502,342.23-693,229.53-272,897.70

Finding the Fourth Proportional to 502,342.23, 693,229.53 and 272,897.70

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Solution

The fourth proportional to 502,342.23, 693,229.53 and 272,897.70 is: 376,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,342.23 : 693,229.53 = 272,897.70 : x
  2. Step 2: Convert to fraction form
    502,342.23/693,229.53 = 272,897.70/x
  3. Step 3: Cross multiply
    502,342.23x = 693,229.53 × 272,897.70
  4. Step 4: Simplify right side
    502,342.23x = 189,180,744,309.08
  5. Step 5: Solve for x
    x = 189,180,744,309.08/502,342.23
  6. Step 6: Final answer
    x = 376,597.33

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1.5x scale

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.