Home / 792,110.70-1,188,166.05-493,512.30

Finding the Fourth Proportional to 792,110.70, 1,188,166.05 and 493,512.30

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Solution

The fourth proportional to 792,110.70, 1,188,166.05 and 493,512.30 is: 740,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,110.70 : 1,188,166.05 = 493,512.30 : x
  2. Step 2: Convert to fraction form
    792,110.70/1,188,166.05 = 493,512.30/x
  3. Step 3: Cross multiply
    792,110.70x = 1,188,166.05 × 493,512.30
  4. Step 4: Simplify right side
    792,110.70x = 586,374,560,117.42
  5. Step 5: Solve for x
    x = 586,374,560,117.42/792,110.70
  6. Step 6: Final answer
    x = 740,268.45

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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.