Home / 495,233.60-681,892.13-386,776.04

Finding the Fourth Proportional to 495,233.60, 681,892.13 and 386,776.04

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Solution

The fourth proportional to 495,233.60, 681,892.13 and 386,776.04 is: 532,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,233.60 : 681,892.13 = 386,776.04 : x
  2. Step 2: Convert to fraction form
    495,233.60/681,892.13 = 386,776.04/x
  3. Step 3: Cross multiply
    495,233.60x = 681,892.13 × 386,776.04
  4. Step 4: Simplify right side
    495,233.60x = 263,739,532,405.22
  5. Step 5: Solve for x
    x = 263,739,532,405.22/495,233.60
  6. Step 6: Final answer
    x = 532,555.82

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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.