Home / 330,688.44-456,359.67-187,443.72

Finding the Fourth Proportional to 330,688.44, 456,359.67 and 187,443.72

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Solution

The fourth proportional to 330,688.44, 456,359.67 and 187,443.72 is: 258,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,688.44 : 456,359.67 = 187,443.72 : x
  2. Step 2: Convert to fraction form
    330,688.44/456,359.67 = 187,443.72/x
  3. Step 3: Cross multiply
    330,688.44x = 456,359.67 × 187,443.72
  4. Step 4: Simplify right side
    330,688.44x = 85,541,754,202.77
  5. Step 5: Solve for x
    x = 85,541,754,202.77/330,688.44
  6. Step 6: Final answer
    x = 258,677.79

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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.