Home / 1,620,589.40-2,236,400.30-895,434.20

Finding the Fourth Proportional to 1,620,589.40, 2,236,400.30 and 895,434.20

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Solution

The fourth proportional to 1,620,589.40, 2,236,400.30 and 895,434.20 is: 1,235,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,589.40 : 2,236,400.30 = 895,434.20 : x
  2. Step 2: Convert to fraction form
    1,620,589.40/2,236,400.30 = 895,434.20/x
  3. Step 3: Cross multiply
    1,620,589.40x = 2,236,400.30 × 895,434.20
  4. Step 4: Simplify right side
    1,620,589.40x = 2,002,549,313,510.26
  5. Step 5: Solve for x
    x = 2,002,549,313,510.26/1,620,589.40
  6. Step 6: Final answer
    x = 1,235,691.97

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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.