Home / 866,361.44-1,195,557.86-479,166.78

Finding the Fourth Proportional to 866,361.44, 1,195,557.86 and 479,166.78

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Solution

The fourth proportional to 866,361.44, 1,195,557.86 and 479,166.78 is: 661,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,361.44 : 1,195,557.86 = 479,166.78 : x
  2. Step 2: Convert to fraction form
    866,361.44/1,195,557.86 = 479,166.78/x
  3. Step 3: Cross multiply
    866,361.44x = 1,195,557.86 × 479,166.78
  4. Step 4: Simplify right side
    866,361.44x = 572,871,610,079.89
  5. Step 5: Solve for x
    x = 572,871,610,079.89/866,361.44
  6. Step 6: Final answer
    x = 661,238.58

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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.