Home / 442,972.80-611,360.88-251,949.30

Finding the Fourth Proportional to 442,972.80, 611,360.88 and 251,949.30

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Solution

The fourth proportional to 442,972.80, 611,360.88 and 251,949.30 is: 347,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,972.80 : 611,360.88 = 251,949.30 : x
  2. Step 2: Convert to fraction form
    442,972.80/611,360.88 = 251,949.30/x
  3. Step 3: Cross multiply
    442,972.80x = 611,360.88 × 251,949.30
  4. Step 4: Simplify right side
    442,972.80x = 154,031,945,763.38
  5. Step 5: Solve for x
    x = 154,031,945,763.38/442,972.80
  6. Step 6: Final answer
    x = 347,723.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.