Home / 498,864.25-688,447.80-272,524.33

Finding the Fourth Proportional to 498,864.25, 688,447.80 and 272,524.33

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Solution

The fourth proportional to 498,864.25, 688,447.80 and 272,524.33 is: 376,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,864.25 : 688,447.80 = 272,524.33 : x
  2. Step 2: Convert to fraction form
    498,864.25/688,447.80 = 272,524.33/x
  3. Step 3: Cross multiply
    498,864.25x = 688,447.80 × 272,524.33
  4. Step 4: Simplify right side
    498,864.25x = 187,618,775,434.97
  5. Step 5: Solve for x
    x = 187,618,775,434.97/498,864.25
  6. Step 6: Final answer
    x = 376,091.84

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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.