Home / 330,776.75-456,458.13-187,546.47

Finding the Fourth Proportional to 330,776.75, 456,458.13 and 187,546.47

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Solution

The fourth proportional to 330,776.75, 456,458.13 and 187,546.47 is: 258,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,776.75 : 456,458.13 = 187,546.47 : x
  2. Step 2: Convert to fraction form
    330,776.75/456,458.13 = 187,546.47/x
  3. Step 3: Cross multiply
    330,776.75x = 456,458.13 × 187,546.47
  4. Step 4: Simplify right side
    330,776.75x = 85,607,110,984.30
  5. Step 5: Solve for x
    x = 85,607,110,984.30/330,776.75
  6. Step 6: Final answer
    x = 258,806.32

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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.