Home / 1,049,562.45-1,449,209.89-819,718.47

Finding the Fourth Proportional to 1,049,562.45, 1,449,209.89 and 819,718.47

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Solution

The fourth proportional to 1,049,562.45, 1,449,209.89 and 819,718.47 is: 1,131,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,562.45 : 1,449,209.89 = 819,718.47 : x
  2. Step 2: Convert to fraction form
    1,049,562.45/1,449,209.89 = 819,718.47/x
  3. Step 3: Cross multiply
    1,049,562.45x = 1,449,209.89 × 819,718.47
  4. Step 4: Simplify right side
    1,049,562.45x = 1,187,944,109,641.08
  5. Step 5: Solve for x
    x = 1,187,944,109,641.08/1,049,562.45
  6. Step 6: Final answer
    x = 1,131,847.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.