Home / 330,577.43-456,384.20-252,906.95

Finding the Fourth Proportional to 330,577.43, 456,384.20 and 252,906.95

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Solution

The fourth proportional to 330,577.43, 456,384.20 and 252,906.95 is: 349,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,577.43 : 456,384.20 = 252,906.95 : x
  2. Step 2: Convert to fraction form
    330,577.43/456,384.20 = 252,906.95/x
  3. Step 3: Cross multiply
    330,577.43x = 456,384.20 × 252,906.95
  4. Step 4: Simplify right side
    330,577.43x = 115,422,736,050.19
  5. Step 5: Solve for x
    x = 115,422,736,050.19/330,577.43
  6. Step 6: Final answer
    x = 349,154.92

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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.