Home / 1,928,182.64-2,891,691.45-579,987.24

Finding the Fourth Proportional to 1,928,182.64, 2,891,691.45 and 579,987.24

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Solution

The fourth proportional to 1,928,182.64, 2,891,691.45 and 579,987.24 is: 869,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,182.64 : 2,891,691.45 = 579,987.24 : x
  2. Step 2: Convert to fraction form
    1,928,182.64/2,891,691.45 = 579,987.24/x
  3. Step 3: Cross multiply
    1,928,182.64x = 2,891,691.45 × 579,987.24
  4. Step 4: Simplify right side
    1,928,182.64x = 1,677,144,143,017.10
  5. Step 5: Solve for x
    x = 1,677,144,143,017.10/1,928,182.64
  6. Step 6: Final answer
    x = 869,805.65

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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.