Home / 1,106,839.80-1,661,037.30-476,206.20

Finding the Fourth Proportional to 1,106,839.80, 1,661,037.30 and 476,206.20

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Solution

The fourth proportional to 1,106,839.80, 1,661,037.30 and 476,206.20 is: 714,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,839.80 : 1,661,037.30 = 476,206.20 : x
  2. Step 2: Convert to fraction form
    1,106,839.80/1,661,037.30 = 476,206.20/x
  3. Step 3: Cross multiply
    1,106,839.80x = 1,661,037.30 × 476,206.20
  4. Step 4: Simplify right side
    1,106,839.80x = 790,996,260,691.26
  5. Step 5: Solve for x
    x = 790,996,260,691.26/1,106,839.80
  6. Step 6: Final answer
    x = 714,643.85

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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.