Home / 439,748.73-606,867.93-258,458.04

Finding the Fourth Proportional to 439,748.73, 606,867.93 and 258,458.04

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Solution

The fourth proportional to 439,748.73, 606,867.93 and 258,458.04 is: 356,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,748.73 : 606,867.93 = 258,458.04 : x
  2. Step 2: Convert to fraction form
    439,748.73/606,867.93 = 258,458.04/x
  3. Step 3: Cross multiply
    439,748.73x = 606,867.93 × 258,458.04
  4. Step 4: Simplify right side
    439,748.73x = 156,849,895,726.66
  5. Step 5: Solve for x
    x = 156,849,895,726.66/439,748.73
  6. Step 6: Final answer
    x = 356,680.72

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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.