Home / 856,393.56-1,181,948.94-493,746.39

Finding the Fourth Proportional to 856,393.56, 1,181,948.94 and 493,746.39

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Solution

The fourth proportional to 856,393.56, 1,181,948.94 and 493,746.39 is: 681,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,393.56 : 1,181,948.94 = 493,746.39 : x
  2. Step 2: Convert to fraction form
    856,393.56/1,181,948.94 = 493,746.39/x
  3. Step 3: Cross multiply
    856,393.56x = 1,181,948.94 × 493,746.39
  4. Step 4: Simplify right side
    856,393.56x = 583,583,022,289.33
  5. Step 5: Solve for x
    x = 583,583,022,289.33/856,393.56
  6. Step 6: Final answer
    x = 681,442.56

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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.