Home / 440,019.16-660,306.39-187,299.24

Finding the Fourth Proportional to 440,019.16, 660,306.39 and 187,299.24

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Solution

The fourth proportional to 440,019.16, 660,306.39 and 187,299.24 is: 281,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,019.16 : 660,306.39 = 187,299.24 : x
  2. Step 2: Convert to fraction form
    440,019.16/660,306.39 = 187,299.24/x
  3. Step 3: Cross multiply
    440,019.16x = 660,306.39 × 187,299.24
  4. Step 4: Simplify right side
    440,019.16x = 123,674,885,549.85
  5. Step 5: Solve for x
    x = 123,674,885,549.85/440,019.16
  6. Step 6: Final answer
    x = 281,067.05

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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.