Home / 453,742.20-680,613.30-264,007.80

Finding the Fourth Proportional to 453,742.20, 680,613.30 and 264,007.80

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Solution

The fourth proportional to 453,742.20, 680,613.30 and 264,007.80 is: 396,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,742.20 : 680,613.30 = 264,007.80 : x
  2. Step 2: Convert to fraction form
    453,742.20/680,613.30 = 264,007.80/x
  3. Step 3: Cross multiply
    453,742.20x = 680,613.30 × 264,007.80
  4. Step 4: Simplify right side
    453,742.20x = 179,687,219,983.74
  5. Step 5: Solve for x
    x = 179,687,219,983.74/453,742.20
  6. Step 6: Final answer
    x = 396,011.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.