Home / 416,434.26-574,683.30-225,451.74

Finding the Fourth Proportional to 416,434.26, 574,683.30 and 225,451.74

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Solution

The fourth proportional to 416,434.26, 574,683.30 and 225,451.74 is: 311,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,434.26 : 574,683.30 = 225,451.74 : x
  2. Step 2: Convert to fraction form
    416,434.26/574,683.30 = 225,451.74/x
  3. Step 3: Cross multiply
    416,434.26x = 574,683.30 × 225,451.74
  4. Step 4: Simplify right side
    416,434.26x = 129,563,349,933.94
  5. Step 5: Solve for x
    x = 129,563,349,933.94/416,434.26
  6. Step 6: Final answer
    x = 311,125.58

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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.