Home / 658,649.74-988,032.92-185,339.20

Finding the Fourth Proportional to 658,649.74, 988,032.92 and 185,339.20

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Solution

The fourth proportional to 658,649.74, 988,032.92 and 185,339.20 is: 278,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,649.74 : 988,032.92 = 185,339.20 : x
  2. Step 2: Convert to fraction form
    658,649.74/988,032.92 = 185,339.20/x
  3. Step 3: Cross multiply
    658,649.74x = 988,032.92 × 185,339.20
  4. Step 4: Simplify right side
    658,649.74x = 183,121,230,966.46
  5. Step 5: Solve for x
    x = 183,121,230,966.46/658,649.74
  6. Step 6: Final answer
    x = 278,025.21

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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.