Home / 526,272.10-789,287.41-147,219.68

Finding the Fourth Proportional to 526,272.10, 789,287.41 and 147,219.68

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Solution

The fourth proportional to 526,272.10, 789,287.41 and 147,219.68 is: 220,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,272.10 : 789,287.41 = 147,219.68 : x
  2. Step 2: Convert to fraction form
    526,272.10/789,287.41 = 147,219.68/x
  3. Step 3: Cross multiply
    526,272.10x = 789,287.41 × 147,219.68
  4. Step 4: Simplify right side
    526,272.10x = 116,198,639,928.23
  5. Step 5: Solve for x
    x = 116,198,639,928.23/526,272.10
  6. Step 6: Final answer
    x = 220,795.74

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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.