Home / 332,190.72-457,620.48-284,290.56

Finding the Fourth Proportional to 332,190.72, 457,620.48 and 284,290.56

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Solution

The fourth proportional to 332,190.72, 457,620.48 and 284,290.56 is: 391,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,190.72 : 457,620.48 = 284,290.56 : x
  2. Step 2: Convert to fraction form
    332,190.72/457,620.48 = 284,290.56/x
  3. Step 3: Cross multiply
    332,190.72x = 457,620.48 × 284,290.56
  4. Step 4: Simplify right side
    332,190.72x = 130,097,182,526.67
  5. Step 5: Solve for x
    x = 130,097,182,526.67/332,190.72
  6. Step 6: Final answer
    x = 391,634.01

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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.