Home / 791,118.48-1,186,546.50-285,582.48

Finding the Fourth Proportional to 791,118.48, 1,186,546.50 and 285,582.48

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Solution

The fourth proportional to 791,118.48, 1,186,546.50 and 285,582.48 is: 428,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,118.48 : 1,186,546.50 = 285,582.48 : x
  2. Step 2: Convert to fraction form
    791,118.48/1,186,546.50 = 285,582.48/x
  3. Step 3: Cross multiply
    791,118.48x = 1,186,546.50 × 285,582.48
  4. Step 4: Simplify right side
    791,118.48x = 338,856,892,105.32
  5. Step 5: Solve for x
    x = 338,856,892,105.32/791,118.48
  6. Step 6: Final answer
    x = 428,326.35

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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.