Home / 1,654,920.80-2,482,381.20-1,172,031.20

Finding the Fourth Proportional to 1,654,920.80, 2,482,381.20 and 1,172,031.20

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Solution

The fourth proportional to 1,654,920.80, 2,482,381.20 and 1,172,031.20 is: 1,758,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,920.80 : 2,482,381.20 = 1,172,031.20 : x
  2. Step 2: Convert to fraction form
    1,654,920.80/2,482,381.20 = 1,172,031.20/x
  3. Step 3: Cross multiply
    1,654,920.80x = 2,482,381.20 × 1,172,031.20
  4. Step 4: Simplify right side
    1,654,920.80x = 2,909,428,216,693.44
  5. Step 5: Solve for x
    x = 2,909,428,216,693.44/1,654,920.80
  6. Step 6: Final answer
    x = 1,758,046.80

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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.