Home / 495,182.55-683,354.79-291,242.10

Finding the Fourth Proportional to 495,182.55, 683,354.79 and 291,242.10

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Solution

The fourth proportional to 495,182.55, 683,354.79 and 291,242.10 is: 401,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,182.55 : 683,354.79 = 291,242.10 : x
  2. Step 2: Convert to fraction form
    495,182.55/683,354.79 = 291,242.10/x
  3. Step 3: Cross multiply
    495,182.55x = 683,354.79 × 291,242.10
  4. Step 4: Simplify right side
    495,182.55x = 199,021,684,084.66
  5. Step 5: Solve for x
    x = 199,021,684,084.66/495,182.55
  6. Step 6: Final answer
    x = 401,915.79

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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.