Home / 927,553.60-1,391,530.24-287,844.80

Finding the Fourth Proportional to 927,553.60, 1,391,530.24 and 287,844.80

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Solution

The fourth proportional to 927,553.60, 1,391,530.24 and 287,844.80 is: 431,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,553.60 : 1,391,530.24 = 287,844.80 : x
  2. Step 2: Convert to fraction form
    927,553.60/1,391,530.24 = 287,844.80/x
  3. Step 3: Cross multiply
    927,553.60x = 1,391,530.24 × 287,844.80
  4. Step 4: Simplify right side
    927,553.60x = 400,544,743,626.75
  5. Step 5: Solve for x
    x = 400,544,743,626.75/927,553.60
  6. Step 6: Final answer
    x = 431,829.22

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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.