Home / 748,840.80-1,123,261.20-713,848.80

Finding the Fourth Proportional to 748,840.80, 1,123,261.20 and 713,848.80

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Solution

The fourth proportional to 748,840.80, 1,123,261.20 and 713,848.80 is: 1,070,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,840.80 : 1,123,261.20 = 713,848.80 : x
  2. Step 2: Convert to fraction form
    748,840.80/1,123,261.20 = 713,848.80/x
  3. Step 3: Cross multiply
    748,840.80x = 1,123,261.20 × 713,848.80
  4. Step 4: Simplify right side
    748,840.80x = 801,838,659,706.56
  5. Step 5: Solve for x
    x = 801,838,659,706.56/748,840.80
  6. Step 6: Final answer
    x = 1,070,773.20

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Double scale
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Similar ratio
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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.