Home / 330,839.34-456,411.87-203,439.66

Finding the Fourth Proportional to 330,839.34, 456,411.87 and 203,439.66

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Solution

The fourth proportional to 330,839.34, 456,411.87 and 203,439.66 is: 280,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,839.34 : 456,411.87 = 203,439.66 : x
  2. Step 2: Convert to fraction form
    330,839.34/456,411.87 = 203,439.66/x
  3. Step 3: Cross multiply
    330,839.34x = 456,411.87 × 203,439.66
  4. Step 4: Simplify right side
    330,839.34x = 92,852,275,652.76
  5. Step 5: Solve for x
    x = 92,852,275,652.76/330,839.34
  6. Step 6: Final answer
    x = 280,656.69

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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.