Home / 814,588.18-1,222,776.15-647,184.58

Finding the Fourth Proportional to 814,588.18, 1,222,776.15 and 647,184.58

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Solution

The fourth proportional to 814,588.18, 1,222,776.15 and 647,184.58 is: 971,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,588.18 : 1,222,776.15 = 647,184.58 : x
  2. Step 2: Convert to fraction form
    814,588.18/1,222,776.15 = 647,184.58/x
  3. Step 3: Cross multiply
    814,588.18x = 1,222,776.15 × 647,184.58
  4. Step 4: Simplify right side
    814,588.18x = 791,361,869,071.77
  5. Step 5: Solve for x
    x = 791,361,869,071.77/814,588.18
  6. Step 6: Final answer
    x = 971,487.05

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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.