Home / 495,177.89-683,348.31-291,237.39

Finding the Fourth Proportional to 495,177.89, 683,348.31 and 291,237.39

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Solution

The fourth proportional to 495,177.89, 683,348.31 and 291,237.39 is: 401,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,177.89 : 683,348.31 = 291,237.39 : x
  2. Step 2: Convert to fraction form
    495,177.89/683,348.31 = 291,237.39/x
  3. Step 3: Cross multiply
    495,177.89x = 683,348.31 × 291,237.39
  4. Step 4: Simplify right side
    495,177.89x = 199,016,578,265.31
  5. Step 5: Solve for x
    x = 199,016,578,265.31/495,177.89
  6. Step 6: Final answer
    x = 401,909.26

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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.