Home / 856,073.34-1,181,113.38-493,447.68

Finding the Fourth Proportional to 856,073.34, 1,181,113.38 and 493,447.68

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Solution

The fourth proportional to 856,073.34, 1,181,113.38 and 493,447.68 is: 680,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,073.34 : 1,181,113.38 = 493,447.68 : x
  2. Step 2: Convert to fraction form
    856,073.34/1,181,113.38 = 493,447.68/x
  3. Step 3: Cross multiply
    856,073.34x = 1,181,113.38 × 493,447.68
  4. Step 4: Simplify right side
    856,073.34x = 582,817,657,177.96
  5. Step 5: Solve for x
    x = 582,817,657,177.96/856,073.34
  6. Step 6: Final answer
    x = 680,803.42

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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.