Home / 416,268.18-574,450.05-225,281.61

Finding the Fourth Proportional to 416,268.18, 574,450.05 and 225,281.61

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Solution

The fourth proportional to 416,268.18, 574,450.05 and 225,281.61 is: 310,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,268.18 : 574,450.05 = 225,281.61 : x
  2. Step 2: Convert to fraction form
    416,268.18/574,450.05 = 225,281.61/x
  3. Step 3: Cross multiply
    416,268.18x = 574,450.05 × 225,281.61
  4. Step 4: Simplify right side
    416,268.18x = 129,413,032,128.58
  5. Step 5: Solve for x
    x = 129,413,032,128.58/416,268.18
  6. Step 6: Final answer
    x = 310,888.60

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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.