Home / 542,886.16-814,385.04-187,899.60

Finding the Fourth Proportional to 542,886.16, 814,385.04 and 187,899.60

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Solution

The fourth proportional to 542,886.16, 814,385.04 and 187,899.60 is: 281,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,886.16 : 814,385.04 = 187,899.60 : x
  2. Step 2: Convert to fraction form
    542,886.16/814,385.04 = 187,899.60/x
  3. Step 3: Cross multiply
    542,886.16x = 814,385.04 × 187,899.60
  4. Step 4: Simplify right side
    542,886.16x = 153,022,623,261.98
  5. Step 5: Solve for x
    x = 153,022,623,261.98/542,886.16
  6. Step 6: Final answer
    x = 281,868.71

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1.5x scale

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.