Home / 1,229,015.50-1,843,523.26-387,632.86

Finding the Fourth Proportional to 1,229,015.50, 1,843,523.26 and 387,632.86

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Solution

The fourth proportional to 1,229,015.50, 1,843,523.26 and 387,632.86 is: 581,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,015.50 : 1,843,523.26 = 387,632.86 : x
  2. Step 2: Convert to fraction form
    1,229,015.50/1,843,523.26 = 387,632.86/x
  3. Step 3: Cross multiply
    1,229,015.50x = 1,843,523.26 × 387,632.86
  4. Step 4: Simplify right side
    1,229,015.50x = 714,610,193,750.32
  5. Step 5: Solve for x
    x = 714,610,193,750.32/1,229,015.50
  6. Step 6: Final answer
    x = 581,449.29

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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.