Home / 814,184.12-1,221,279.30-340,537.22

Finding the Fourth Proportional to 814,184.12, 1,221,279.30 and 340,537.22

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Solution

The fourth proportional to 814,184.12, 1,221,279.30 and 340,537.22 is: 510,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,184.12 : 1,221,279.30 = 340,537.22 : x
  2. Step 2: Convert to fraction form
    814,184.12/1,221,279.30 = 340,537.22/x
  3. Step 3: Cross multiply
    814,184.12x = 1,221,279.30 × 340,537.22
  4. Step 4: Simplify right side
    814,184.12x = 415,891,057,665.55
  5. Step 5: Solve for x
    x = 415,891,057,665.55/814,184.12
  6. Step 6: Final answer
    x = 510,807.13

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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.