Home / 1,620,588.40-2,236,398.92-895,433.20

Finding the Fourth Proportional to 1,620,588.40, 2,236,398.92 and 895,433.20

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Solution

The fourth proportional to 1,620,588.40, 2,236,398.92 and 895,433.20 is: 1,235,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,588.40 : 2,236,398.92 = 895,433.20 : x
  2. Step 2: Convert to fraction form
    1,620,588.40/2,236,398.92 = 895,433.20/x
  3. Step 3: Cross multiply
    1,620,588.40x = 2,236,398.92 × 895,433.20
  4. Step 4: Simplify right side
    1,620,588.40x = 2,002,545,841,412.14
  5. Step 5: Solve for x
    x = 2,002,545,841,412.14/1,620,588.40
  6. Step 6: Final answer
    x = 1,235,690.59

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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.