Home / 699,632.20-1,049,966.70-513,008.20

Finding the Fourth Proportional to 699,632.20, 1,049,966.70 and 513,008.20

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Solution

The fourth proportional to 699,632.20, 1,049,966.70 and 513,008.20 is: 769,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,632.20 : 1,049,966.70 = 513,008.20 : x
  2. Step 2: Convert to fraction form
    699,632.20/1,049,966.70 = 513,008.20/x
  3. Step 3: Cross multiply
    699,632.20x = 1,049,966.70 × 513,008.20
  4. Step 4: Simplify right side
    699,632.20x = 538,641,526,826.94
  5. Step 5: Solve for x
    x = 538,641,526,826.94/699,632.20
  6. Step 6: Final answer
    x = 769,892.42

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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.