Home / 499,222.14-688,926.90-272,867.64

Finding the Fourth Proportional to 499,222.14, 688,926.90 and 272,867.64

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Solution

The fourth proportional to 499,222.14, 688,926.90 and 272,867.64 is: 376,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,222.14 : 688,926.90 = 272,867.64 : x
  2. Step 2: Convert to fraction form
    499,222.14/688,926.90 = 272,867.64/x
  3. Step 3: Cross multiply
    499,222.14x = 688,926.90 × 272,867.64
  4. Step 4: Simplify right side
    499,222.14x = 187,985,857,335.52
  5. Step 5: Solve for x
    x = 187,985,857,335.52/499,222.14
  6. Step 6: Final answer
    x = 376,557.53

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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.