Home / 814,949.65-1,223,229.01-611,839.32

Finding the Fourth Proportional to 814,949.65, 1,223,229.01 and 611,839.32

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Solution

The fourth proportional to 814,949.65, 1,223,229.01 and 611,839.32 is: 918,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,949.65 : 1,223,229.01 = 611,839.32 : x
  2. Step 2: Convert to fraction form
    814,949.65/1,223,229.01 = 611,839.32/x
  3. Step 3: Cross multiply
    814,949.65x = 1,223,229.01 × 611,839.32
  4. Step 4: Simplify right side
    814,949.65x = 748,419,605,682.67
  5. Step 5: Solve for x
    x = 748,419,605,682.67/814,949.65
  6. Step 6: Final answer
    x = 918,363.00

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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.