Home / 470,449.89-649,260.38-266,565.63

Finding the Fourth Proportional to 470,449.89, 649,260.38 and 266,565.63

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Solution

The fourth proportional to 470,449.89, 649,260.38 and 266,565.63 is: 367,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,449.89 : 649,260.38 = 266,565.63 : x
  2. Step 2: Convert to fraction form
    470,449.89/649,260.38 = 266,565.63/x
  3. Step 3: Cross multiply
    470,449.89x = 649,260.38 × 266,565.63
  4. Step 4: Simplify right side
    470,449.89x = 173,070,500,895.91
  5. Step 5: Solve for x
    x = 173,070,500,895.91/470,449.89
  6. Step 6: Final answer
    x = 367,882.97

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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.