Home / 495,233.85-681,892.47-386,776.29

Finding the Fourth Proportional to 495,233.85, 681,892.47 and 386,776.29

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Solution

The fourth proportional to 495,233.85, 681,892.47 and 386,776.29 is: 532,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,233.85 : 681,892.47 = 386,776.29 : x
  2. Step 2: Convert to fraction form
    495,233.85/681,892.47 = 386,776.29/x
  3. Step 3: Cross multiply
    495,233.85x = 681,892.47 × 386,776.29
  4. Step 4: Simplify right side
    495,233.85x = 263,739,839,725.54
  5. Step 5: Solve for x
    x = 263,739,839,725.54/495,233.85
  6. Step 6: Final answer
    x = 532,556.16

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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.