Home / 495,142.79-683,191.94-291,119.24

Finding the Fourth Proportional to 495,142.79, 683,191.94 and 291,119.24

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Solution

The fourth proportional to 495,142.79, 683,191.94 and 291,119.24 is: 401,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,142.79 : 683,191.94 = 291,119.24 : x
  2. Step 2: Convert to fraction form
    495,142.79/683,191.94 = 291,119.24/x
  3. Step 3: Cross multiply
    495,142.79x = 683,191.94 × 291,119.24
  4. Step 4: Simplify right side
    495,142.79x = 198,890,318,599.31
  5. Step 5: Solve for x
    x = 198,890,318,599.31/495,142.79
  6. Step 6: Final answer
    x = 401,682.76

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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.