Home / 416,439.81-574,688.25-225,453.96

Finding the Fourth Proportional to 416,439.81, 574,688.25 and 225,453.96

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Solution

The fourth proportional to 416,439.81, 574,688.25 and 225,453.96 is: 311,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,439.81 : 574,688.25 = 225,453.96 : x
  2. Step 2: Convert to fraction form
    416,439.81/574,688.25 = 225,453.96/x
  3. Step 3: Cross multiply
    416,439.81x = 574,688.25 × 225,453.96
  4. Step 4: Simplify right side
    416,439.81x = 129,565,741,727.97
  5. Step 5: Solve for x
    x = 129,565,741,727.97/416,439.81
  6. Step 6: Final answer
    x = 311,127.18

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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.