Home / 328,979.46-454,012.65-185,687.22

Finding the Fourth Proportional to 328,979.46, 454,012.65 and 185,687.22

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Solution

The fourth proportional to 328,979.46, 454,012.65 and 185,687.22 is: 256,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,979.46 : 454,012.65 = 185,687.22 : x
  2. Step 2: Convert to fraction form
    328,979.46/454,012.65 = 185,687.22/x
  3. Step 3: Cross multiply
    328,979.46x = 454,012.65 × 185,687.22
  4. Step 4: Simplify right side
    328,979.46x = 84,304,346,823.33
  5. Step 5: Solve for x
    x = 84,304,346,823.33/328,979.46
  6. Step 6: Final answer
    x = 256,260.21

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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.