Home / 416,206.96-574,367.13-225,220.36

Finding the Fourth Proportional to 416,206.96, 574,367.13 and 225,220.36

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Solution

The fourth proportional to 416,206.96, 574,367.13 and 225,220.36 is: 310,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,206.96 : 574,367.13 = 225,220.36 : x
  2. Step 2: Convert to fraction form
    416,206.96/574,367.13 = 225,220.36/x
  3. Step 3: Cross multiply
    416,206.96x = 574,367.13 × 225,220.36
  4. Step 4: Simplify right side
    416,206.96x = 129,359,171,790.77
  5. Step 5: Solve for x
    x = 129,359,171,790.77/416,206.96
  6. Step 6: Final answer
    x = 310,804.92

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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.