Home / 386,842.08-580,266.96-116,972.40

Finding the Fourth Proportional to 386,842.08, 580,266.96 and 116,972.40

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Solution

The fourth proportional to 386,842.08, 580,266.96 and 116,972.40 is: 175,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,842.08 : 580,266.96 = 116,972.40 : x
  2. Step 2: Convert to fraction form
    386,842.08/580,266.96 = 116,972.40/x
  3. Step 3: Cross multiply
    386,842.08x = 580,266.96 × 116,972.40
  4. Step 4: Simplify right side
    386,842.08x = 67,875,218,951.90
  5. Step 5: Solve for x
    x = 67,875,218,951.90/386,842.08
  6. Step 6: Final answer
    x = 175,459.76

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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.