Home / 447,104.12-670,599-147,510.56

Finding the Fourth Proportional to 447,104.12, 670,599 and 147,510.56

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Solution

The fourth proportional to 447,104.12, 670,599 and 147,510.56 is: 221,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,104.12 : 670,599 = 147,510.56 : x
  2. Step 2: Convert to fraction form
    447,104.12/670,599 = 147,510.56/x
  3. Step 3: Cross multiply
    447,104.12x = 670,599 × 147,510.56
  4. Step 4: Simplify right side
    447,104.12x = 98,920,434,025.44
  5. Step 5: Solve for x
    x = 98,920,434,025.44/447,104.12
  6. Step 6: Final answer
    x = 221,246.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.