Home / 814,535.52-1,221,312.24-365,175.12

Finding the Fourth Proportional to 814,535.52, 1,221,312.24 and 365,175.12

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Solution

The fourth proportional to 814,535.52, 1,221,312.24 and 365,175.12 is: 547,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,535.52 : 1,221,312.24 = 365,175.12 : x
  2. Step 2: Convert to fraction form
    814,535.52/1,221,312.24 = 365,175.12/x
  3. Step 3: Cross multiply
    814,535.52x = 1,221,312.24 × 365,175.12
  4. Step 4: Simplify right side
    814,535.52x = 445,992,843,799.47
  5. Step 5: Solve for x
    x = 445,992,843,799.47/814,535.52
  6. Step 6: Final answer
    x = 547,542.54

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1.5x scale

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.