Home / 863,179.38-1,191,160.22-476,011.13

Finding the Fourth Proportional to 863,179.38, 1,191,160.22 and 476,011.13

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Solution

The fourth proportional to 863,179.38, 1,191,160.22 and 476,011.13 is: 656,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,179.38 : 1,191,160.22 = 476,011.13 : x
  2. Step 2: Convert to fraction form
    863,179.38/1,191,160.22 = 476,011.13/x
  3. Step 3: Cross multiply
    863,179.38x = 1,191,160.22 × 476,011.13
  4. Step 4: Simplify right side
    863,179.38x = 567,005,513,997.39
  5. Step 5: Solve for x
    x = 567,005,513,997.39/863,179.38
  6. Step 6: Final answer
    x = 656,880.28

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Double scale
Find fourth proportional to 863,180.38, 1,191,161.59 and 476,012.13
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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.