Home / 414,220.32-621,332.10-126,034.84

Finding the Fourth Proportional to 414,220.32, 621,332.10 and 126,034.84

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Solution

The fourth proportional to 414,220.32, 621,332.10 and 126,034.84 is: 189,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,220.32 : 621,332.10 = 126,034.84 : x
  2. Step 2: Convert to fraction form
    414,220.32/621,332.10 = 126,034.84/x
  3. Step 3: Cross multiply
    414,220.32x = 621,332.10 × 126,034.84
  4. Step 4: Simplify right side
    414,220.32x = 78,309,491,810.36
  5. Step 5: Solve for x
    x = 78,309,491,810.36/414,220.32
  6. Step 6: Final answer
    x = 189,052.75

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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.