Home / 778,161.22-1,073,864.38-434,019.44

Finding the Fourth Proportional to 778,161.22, 1,073,864.38 and 434,019.44

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Solution

The fourth proportional to 778,161.22, 1,073,864.38 and 434,019.44 is: 598,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,161.22 : 1,073,864.38 = 434,019.44 : x
  2. Step 2: Convert to fraction form
    778,161.22/1,073,864.38 = 434,019.44/x
  3. Step 3: Cross multiply
    778,161.22x = 1,073,864.38 × 434,019.44
  4. Step 4: Simplify right side
    778,161.22x = 466,078,016,843.55
  5. Step 5: Solve for x
    x = 466,078,016,843.55/778,161.22
  6. Step 6: Final answer
    x = 598,947.89

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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.