Home / 752,043.60-1,128,065.40-528,094.80

Finding the Fourth Proportional to 752,043.60, 1,128,065.40 and 528,094.80

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Solution

The fourth proportional to 752,043.60, 1,128,065.40 and 528,094.80 is: 792,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,043.60 : 1,128,065.40 = 528,094.80 : x
  2. Step 2: Convert to fraction form
    752,043.60/1,128,065.40 = 528,094.80/x
  3. Step 3: Cross multiply
    752,043.60x = 1,128,065.40 × 528,094.80
  4. Step 4: Simplify right side
    752,043.60x = 595,725,471,799.92
  5. Step 5: Solve for x
    x = 595,725,471,799.92/752,043.60
  6. Step 6: Final answer
    x = 792,142.20

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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.