Home / 856,143.56-1,181,475.15-493,565.69

Finding the Fourth Proportional to 856,143.56, 1,181,475.15 and 493,565.69

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Solution

The fourth proportional to 856,143.56, 1,181,475.15 and 493,565.69 is: 681,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,143.56 : 1,181,475.15 = 493,565.69 : x
  2. Step 2: Convert to fraction form
    856,143.56/1,181,475.15 = 493,565.69/x
  3. Step 3: Cross multiply
    856,143.56x = 1,181,475.15 × 493,565.69
  4. Step 4: Simplify right side
    856,143.56x = 583,135,591,720.23
  5. Step 5: Solve for x
    x = 583,135,591,720.23/856,143.56
  6. Step 6: Final answer
    x = 681,118.94

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Double scale
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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.