Home / 805,826.03-1,209,380.56-450,773.87

Finding the Fourth Proportional to 805,826.03, 1,209,380.56 and 450,773.87

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Solution

The fourth proportional to 805,826.03, 1,209,380.56 and 450,773.87 is: 676,519.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,826.03 : 1,209,380.56 = 450,773.87 : x
  2. Step 2: Convert to fraction form
    805,826.03/1,209,380.56 = 450,773.87/x
  3. Step 3: Cross multiply
    805,826.03x = 1,209,380.56 × 450,773.87
  4. Step 4: Simplify right side
    805,826.03x = 545,157,148,160.13
  5. Step 5: Solve for x
    x = 545,157,148,160.13/805,826.03
  6. Step 6: Final answer
    x = 676,519.66

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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.