Home / 863,151.39-1,191,219.82-476,042.54

Finding the Fourth Proportional to 863,151.39, 1,191,219.82 and 476,042.54

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Solution

The fourth proportional to 863,151.39, 1,191,219.82 and 476,042.54 is: 656,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,151.39 : 1,191,219.82 = 476,042.54 : x
  2. Step 2: Convert to fraction form
    863,151.39/1,191,219.82 = 476,042.54/x
  3. Step 3: Cross multiply
    863,151.39x = 1,191,219.82 × 476,042.54
  4. Step 4: Simplify right side
    863,151.39x = 567,071,301,664.94
  5. Step 5: Solve for x
    x = 567,071,301,664.94/863,151.39
  6. Step 6: Final answer
    x = 656,977.80

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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.