Home / 644,945.20-967,417.80-495,937.60

Finding the Fourth Proportional to 644,945.20, 967,417.80 and 495,937.60

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Solution

The fourth proportional to 644,945.20, 967,417.80 and 495,937.60 is: 743,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,945.20 : 967,417.80 = 495,937.60 : x
  2. Step 2: Convert to fraction form
    644,945.20/967,417.80 = 495,937.60/x
  3. Step 3: Cross multiply
    644,945.20x = 967,417.80 × 495,937.60
  4. Step 4: Simplify right side
    644,945.20x = 479,778,861,929.28
  5. Step 5: Solve for x
    x = 479,778,861,929.28/644,945.20
  6. Step 6: Final answer
    x = 743,906.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.