Home / 827,951.20-1,241,926.80-513,023.20

Finding the Fourth Proportional to 827,951.20, 1,241,926.80 and 513,023.20

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Solution

The fourth proportional to 827,951.20, 1,241,926.80 and 513,023.20 is: 769,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,951.20 : 1,241,926.80 = 513,023.20 : x
  2. Step 2: Convert to fraction form
    827,951.20/1,241,926.80 = 513,023.20/x
  3. Step 3: Cross multiply
    827,951.20x = 1,241,926.80 × 513,023.20
  4. Step 4: Simplify right side
    827,951.20x = 637,137,261,101.76
  5. Step 5: Solve for x
    x = 637,137,261,101.76/827,951.20
  6. Step 6: Final answer
    x = 769,534.80

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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.