Home / 863,786-1,191,949.96-557,875.73

Finding the Fourth Proportional to 863,786, 1,191,949.96 and 557,875.73

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Solution

The fourth proportional to 863,786, 1,191,949.96 and 557,875.73 is: 769,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,786 : 1,191,949.96 = 557,875.73 : x
  2. Step 2: Convert to fraction form
    863,786/1,191,949.96 = 557,875.73/x
  3. Step 3: Cross multiply
    863,786x = 1,191,949.96 × 557,875.73
  4. Step 4: Simplify right side
    863,786x = 664,959,954,058.47
  5. Step 5: Solve for x
    x = 664,959,954,058.47/863,786
  6. Step 6: Final answer
    x = 769,820.25

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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.