Home / 814,586.18-1,222,773.15-647,182.58

Finding the Fourth Proportional to 814,586.18, 1,222,773.15 and 647,182.58

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Solution

The fourth proportional to 814,586.18, 1,222,773.15 and 647,182.58 is: 971,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,586.18 : 1,222,773.15 = 647,182.58 : x
  2. Step 2: Convert to fraction form
    814,586.18/1,222,773.15 = 647,182.58/x
  3. Step 3: Cross multiply
    814,586.18x = 1,222,773.15 × 647,182.58
  4. Step 4: Simplify right side
    814,586.18x = 791,357,481,971.73
  5. Step 5: Solve for x
    x = 791,357,481,971.73/814,586.18
  6. Step 6: Final answer
    x = 971,484.05

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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.