Home / 693,453.80-1,040,180.70-575,258.60

Finding the Fourth Proportional to 693,453.80, 1,040,180.70 and 575,258.60

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Solution

The fourth proportional to 693,453.80, 1,040,180.70 and 575,258.60 is: 862,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,453.80 : 1,040,180.70 = 575,258.60 : x
  2. Step 2: Convert to fraction form
    693,453.80/1,040,180.70 = 575,258.60/x
  3. Step 3: Cross multiply
    693,453.80x = 1,040,180.70 × 575,258.60
  4. Step 4: Simplify right side
    693,453.80x = 598,372,893,229.02
  5. Step 5: Solve for x
    x = 598,372,893,229.02/693,453.80
  6. Step 6: Final answer
    x = 862,887.90

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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.