Home / 418,766.81-577,899.90-227,781.36

Finding the Fourth Proportional to 418,766.81, 577,899.90 and 227,781.36

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Solution

The fourth proportional to 418,766.81, 577,899.90 and 227,781.36 is: 314,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,766.81 : 577,899.90 = 227,781.36 : x
  2. Step 2: Convert to fraction form
    418,766.81/577,899.90 = 227,781.36/x
  3. Step 3: Cross multiply
    418,766.81x = 577,899.90 × 227,781.36
  4. Step 4: Simplify right side
    418,766.81x = 131,634,825,165.86
  5. Step 5: Solve for x
    x = 131,634,825,165.86/418,766.81
  6. Step 6: Final answer
    x = 314,339.21

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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.