Home / 467,738.46-645,479.12-252,878.46

Finding the Fourth Proportional to 467,738.46, 645,479.12 and 252,878.46

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Solution

The fourth proportional to 467,738.46, 645,479.12 and 252,878.46 is: 348,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,738.46 : 645,479.12 = 252,878.46 : x
  2. Step 2: Convert to fraction form
    467,738.46/645,479.12 = 252,878.46/x
  3. Step 3: Cross multiply
    467,738.46x = 645,479.12 × 252,878.46
  4. Step 4: Simplify right side
    467,738.46x = 163,227,764,563.36
  5. Step 5: Solve for x
    x = 163,227,764,563.36/467,738.46
  6. Step 6: Final answer
    x = 348,972.30

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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.