Home / 647,236.18-970,853.44-173,921.55

Finding the Fourth Proportional to 647,236.18, 970,853.44 and 173,921.55

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Solution

The fourth proportional to 647,236.18, 970,853.44 and 173,921.55 is: 260,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,236.18 : 970,853.44 = 173,921.55 : x
  2. Step 2: Convert to fraction form
    647,236.18/970,853.44 = 173,921.55/x
  3. Step 3: Cross multiply
    647,236.18x = 970,853.44 × 173,921.55
  4. Step 4: Simplify right side
    647,236.18x = 168,852,335,107.63
  5. Step 5: Solve for x
    x = 168,852,335,107.63/647,236.18
  6. Step 6: Final answer
    x = 260,882.10

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Double scale
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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.