Home / 647,112.70-970,669.05-173,845.90

Finding the Fourth Proportional to 647,112.70, 970,669.05 and 173,845.90

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Solution

The fourth proportional to 647,112.70, 970,669.05 and 173,845.90 is: 260,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,112.70 : 970,669.05 = 173,845.90 : x
  2. Step 2: Convert to fraction form
    647,112.70/970,669.05 = 173,845.90/x
  3. Step 3: Cross multiply
    647,112.70x = 970,669.05 × 173,845.90
  4. Step 4: Simplify right side
    647,112.70x = 168,746,834,599.40
  5. Step 5: Solve for x
    x = 168,746,834,599.40/647,112.70
  6. Step 6: Final answer
    x = 260,768.85

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Double scale
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Similar ratio
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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.