Home / 598,917.92-826,518.40-326,986.50

Finding the Fourth Proportional to 598,917.92, 826,518.40 and 326,986.50

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Solution

The fourth proportional to 598,917.92, 826,518.40 and 326,986.50 is: 451,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,917.92 : 826,518.40 = 326,986.50 : x
  2. Step 2: Convert to fraction form
    598,917.92/826,518.40 = 326,986.50/x
  3. Step 3: Cross multiply
    598,917.92x = 826,518.40 × 326,986.50
  4. Step 4: Simplify right side
    598,917.92x = 270,260,361,083.58
  5. Step 5: Solve for x
    x = 270,260,361,083.58/598,917.92
  6. Step 6: Final answer
    x = 451,247.75

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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.