Home / 502,276.54-693,149.06-272,838.28

Finding the Fourth Proportional to 502,276.54, 693,149.06 and 272,838.28

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Solution

The fourth proportional to 502,276.54, 693,149.06 and 272,838.28 is: 376,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,276.54 : 693,149.06 = 272,838.28 : x
  2. Step 2: Convert to fraction form
    502,276.54/693,149.06 = 272,838.28/x
  3. Step 3: Cross multiply
    502,276.54x = 693,149.06 × 272,838.28
  4. Step 4: Simplify right side
    502,276.54x = 189,117,597,314.02
  5. Step 5: Solve for x
    x = 189,117,597,314.02/502,276.54
  6. Step 6: Final answer
    x = 376,520.87

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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.