Home / 502,074.86-692,863.27-272,631.02

Finding the Fourth Proportional to 502,074.86, 692,863.27 and 272,631.02

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Solution

The fourth proportional to 502,074.86, 692,863.27 and 272,631.02 is: 376,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,074.86 : 692,863.27 = 272,631.02 : x
  2. Step 2: Convert to fraction form
    502,074.86/692,863.27 = 272,631.02/x
  3. Step 3: Cross multiply
    502,074.86x = 692,863.27 × 272,631.02
  4. Step 4: Simplify right side
    502,074.86x = 188,896,015,874.74
  5. Step 5: Solve for x
    x = 188,896,015,874.74/502,074.86
  6. Step 6: Final answer
    x = 376,230.78

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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.