Home / 332,520.22-457,911.42-288,892.60

Finding the Fourth Proportional to 332,520.22, 457,911.42 and 288,892.60

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Solution

The fourth proportional to 332,520.22, 457,911.42 and 288,892.60 is: 397,832.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,520.22 : 457,911.42 = 288,892.60 : x
  2. Step 2: Convert to fraction form
    332,520.22/457,911.42 = 288,892.60/x
  3. Step 3: Cross multiply
    332,520.22x = 457,911.42 × 288,892.60
  4. Step 4: Simplify right side
    332,520.22x = 132,287,220,693.49
  5. Step 5: Solve for x
    x = 132,287,220,693.49/332,520.22
  6. Step 6: Final answer
    x = 397,832.11

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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.