Home / 439,539.75-606,565.17-238,335.75

Finding the Fourth Proportional to 439,539.75, 606,565.17 and 238,335.75

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Solution

The fourth proportional to 439,539.75, 606,565.17 and 238,335.75 is: 328,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,539.75 : 606,565.17 = 238,335.75 : x
  2. Step 2: Convert to fraction form
    439,539.75/606,565.17 = 238,335.75/x
  3. Step 3: Cross multiply
    439,539.75x = 606,565.17 × 238,335.75
  4. Step 4: Simplify right side
    439,539.75x = 144,566,164,715.83
  5. Step 5: Solve for x
    x = 144,566,164,715.83/439,539.75
  6. Step 6: Final answer
    x = 328,903.51

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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.