Home / 654,726.55-982,090.20-181,411.91

Finding the Fourth Proportional to 654,726.55, 982,090.20 and 181,411.91

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Solution

The fourth proportional to 654,726.55, 982,090.20 and 181,411.91 is: 272,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,726.55 : 982,090.20 = 181,411.91 : x
  2. Step 2: Convert to fraction form
    654,726.55/982,090.20 = 181,411.91/x
  3. Step 3: Cross multiply
    654,726.55x = 982,090.20 × 181,411.91
  4. Step 4: Simplify right side
    654,726.55x = 178,162,856,201.42
  5. Step 5: Solve for x
    x = 178,162,856,201.42/654,726.55
  6. Step 6: Final answer
    x = 272,117.97

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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.