Home / 1,419,616.30-2,128,646.85-577,216.30

Finding the Fourth Proportional to 1,419,616.30, 2,128,646.85 and 577,216.30

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Solution

The fourth proportional to 1,419,616.30, 2,128,646.85 and 577,216.30 is: 865,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,616.30 : 2,128,646.85 = 577,216.30 : x
  2. Step 2: Convert to fraction form
    1,419,616.30/2,128,646.85 = 577,216.30/x
  3. Step 3: Cross multiply
    1,419,616.30x = 2,128,646.85 × 577,216.30
  4. Step 4: Simplify right side
    1,419,616.30x = 1,228,689,658,763.66
  5. Step 5: Solve for x
    x = 1,228,689,658,763.66/1,419,616.30
  6. Step 6: Final answer
    x = 865,508.28

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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.