Home / 445,079.52-664,381.67-412,187.04

Finding the Fourth Proportional to 445,079.52, 664,381.67 and 412,187.04

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Solution

The fourth proportional to 445,079.52, 664,381.67 and 412,187.04 is: 615,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,079.52 : 664,381.67 = 412,187.04 : x
  2. Step 2: Convert to fraction form
    445,079.52/664,381.67 = 412,187.04/x
  3. Step 3: Cross multiply
    445,079.52x = 664,381.67 × 412,187.04
  4. Step 4: Simplify right side
    445,079.52x = 273,849,513,987.56
  5. Step 5: Solve for x
    x = 273,849,513,987.56/445,079.52
  6. Step 6: Final answer
    x = 615,282.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.