Home / 489,193.20-733,789.80-410,461.20

Finding the Fourth Proportional to 489,193.20, 733,789.80 and 410,461.20

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Solution

The fourth proportional to 489,193.20, 733,789.80 and 410,461.20 is: 615,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,193.20 : 733,789.80 = 410,461.20 : x
  2. Step 2: Convert to fraction form
    489,193.20/733,789.80 = 410,461.20/x
  3. Step 3: Cross multiply
    489,193.20x = 733,789.80 × 410,461.20
  4. Step 4: Simplify right side
    489,193.20x = 301,192,241,855.76
  5. Step 5: Solve for x
    x = 301,192,241,855.76/489,193.20
  6. Step 6: Final answer
    x = 615,691.80

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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.