Home / 1,143,228.77-1,577,542.02-659,949.61

Finding the Fourth Proportional to 1,143,228.77, 1,577,542.02 and 659,949.61

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Solution

The fourth proportional to 1,143,228.77, 1,577,542.02 and 659,949.61 is: 910,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,228.77 : 1,577,542.02 = 659,949.61 : x
  2. Step 2: Convert to fraction form
    1,143,228.77/1,577,542.02 = 659,949.61/x
  3. Step 3: Cross multiply
    1,143,228.77x = 1,577,542.02 × 659,949.61
  4. Step 4: Simplify right side
    1,143,228.77x = 1,041,098,240,857.61
  5. Step 5: Solve for x
    x = 1,041,098,240,857.61/1,143,228.77
  6. Step 6: Final answer
    x = 910,664.84

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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.