Home / 778,991.39-1,168,370.13-246,443.22

Finding the Fourth Proportional to 778,991.39, 1,168,370.13 and 246,443.22

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Solution

The fourth proportional to 778,991.39, 1,168,370.13 and 246,443.22 is: 369,627.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,991.39 : 1,168,370.13 = 246,443.22 : x
  2. Step 2: Convert to fraction form
    778,991.39/1,168,370.13 = 246,443.22/x
  3. Step 3: Cross multiply
    778,991.39x = 1,168,370.13 × 246,443.22
  4. Step 4: Simplify right side
    778,991.39x = 287,936,896,989.02
  5. Step 5: Solve for x
    x = 287,936,896,989.02/778,991.39
  6. Step 6: Final answer
    x = 369,627.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.