Home / 499,050.42-688,691.37-272,695.92

Finding the Fourth Proportional to 499,050.42, 688,691.37 and 272,695.92

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Solution

The fourth proportional to 499,050.42, 688,691.37 and 272,695.92 is: 376,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,050.42 : 688,691.37 = 272,695.92 : x
  2. Step 2: Convert to fraction form
    499,050.42/688,691.37 = 272,695.92/x
  3. Step 3: Cross multiply
    499,050.42x = 688,691.37 × 272,695.92
  4. Step 4: Simplify right side
    499,050.42x = 187,803,326,738.21
  5. Step 5: Solve for x
    x = 187,803,326,738.21/499,050.42
  6. Step 6: Final answer
    x = 376,321.35

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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.