Home / 1,545,159.88-2,132,281.28-856,820.76

Finding the Fourth Proportional to 1,545,159.88, 2,132,281.28 and 856,820.76

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Solution

The fourth proportional to 1,545,159.88, 2,132,281.28 and 856,820.76 is: 1,182,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,159.88 : 2,132,281.28 = 856,820.76 : x
  2. Step 2: Convert to fraction form
    1,545,159.88/2,132,281.28 = 856,820.76/x
  3. Step 3: Cross multiply
    1,545,159.88x = 2,132,281.28 × 856,820.76
  4. Step 4: Simplify right side
    1,545,159.88x = 1,826,982,866,863.37
  5. Step 5: Solve for x
    x = 1,826,982,866,863.37/1,545,159.88
  6. Step 6: Final answer
    x = 1,182,390.83

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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.