Home / 722,016.48-996,550.20-480,309.24

Finding the Fourth Proportional to 722,016.48, 996,550.20 and 480,309.24

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Solution

The fourth proportional to 722,016.48, 996,550.20 and 480,309.24 is: 662,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,016.48 : 996,550.20 = 480,309.24 : x
  2. Step 2: Convert to fraction form
    722,016.48/996,550.20 = 480,309.24/x
  3. Step 3: Cross multiply
    722,016.48x = 996,550.20 × 480,309.24
  4. Step 4: Simplify right side
    722,016.48x = 478,652,269,183.85
  5. Step 5: Solve for x
    x = 478,652,269,183.85/722,016.48
  6. Step 6: Final answer
    x = 662,938.15

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.