Home / 814,585.68-1,222,772.40-647,182.08

Finding the Fourth Proportional to 814,585.68, 1,222,772.40 and 647,182.08

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Solution

The fourth proportional to 814,585.68, 1,222,772.40 and 647,182.08 is: 971,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,585.68 : 1,222,772.40 = 647,182.08 : x
  2. Step 2: Convert to fraction form
    814,585.68/1,222,772.40 = 647,182.08/x
  3. Step 3: Cross multiply
    814,585.68x = 1,222,772.40 × 647,182.08
  4. Step 4: Simplify right side
    814,585.68x = 791,356,385,198.59
  5. Step 5: Solve for x
    x = 791,356,385,198.59/814,585.68
  6. Step 6: Final answer
    x = 971,483.30

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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.