Home / 495,610.78-683,946.15-269,256.22

Finding the Fourth Proportional to 495,610.78, 683,946.15 and 269,256.22

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Solution

The fourth proportional to 495,610.78, 683,946.15 and 269,256.22 is: 371,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,610.78 : 683,946.15 = 269,256.22 : x
  2. Step 2: Convert to fraction form
    495,610.78/683,946.15 = 269,256.22/x
  3. Step 3: Cross multiply
    495,610.78x = 683,946.15 × 269,256.22
  4. Step 4: Simplify right side
    495,610.78x = 184,156,755,032.55
  5. Step 5: Solve for x
    x = 184,156,755,032.55/495,610.78
  6. Step 6: Final answer
    x = 371,575.36

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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.