Home / 720,473.73-1,080,732.46-247,152.25

Finding the Fourth Proportional to 720,473.73, 1,080,732.46 and 247,152.25

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Solution

The fourth proportional to 720,473.73, 1,080,732.46 and 247,152.25 is: 370,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,473.73 : 1,080,732.46 = 247,152.25 : x
  2. Step 2: Convert to fraction form
    720,473.73/1,080,732.46 = 247,152.25/x
  3. Step 3: Cross multiply
    720,473.73x = 1,080,732.46 × 247,152.25
  4. Step 4: Simplify right side
    720,473.73x = 267,105,459,137.04
  5. Step 5: Solve for x
    x = 267,105,459,137.04/720,473.73
  6. Step 6: Final answer
    x = 370,735.88

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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.