Home / 752,042.60-1,128,063.90-528,093.80

Finding the Fourth Proportional to 752,042.60, 1,128,063.90 and 528,093.80

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Solution

The fourth proportional to 752,042.60, 1,128,063.90 and 528,093.80 is: 792,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,042.60 : 1,128,063.90 = 528,093.80 : x
  2. Step 2: Convert to fraction form
    752,042.60/1,128,063.90 = 528,093.80/x
  3. Step 3: Cross multiply
    752,042.60x = 1,128,063.90 × 528,093.80
  4. Step 4: Simplify right side
    752,042.60x = 595,723,551,593.82
  5. Step 5: Solve for x
    x = 595,723,551,593.82/752,042.60
  6. Step 6: Final answer
    x = 792,140.70

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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.