Home / 748,092.60-1,122,843.60-393,361.20

Finding the Fourth Proportional to 748,092.60, 1,122,843.60 and 393,361.20

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Solution

The fourth proportional to 748,092.60, 1,122,843.60 and 393,361.20 is: 590,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,092.60 : 1,122,843.60 = 393,361.20 : x
  2. Step 2: Convert to fraction form
    748,092.60/1,122,843.60 = 393,361.20/x
  3. Step 3: Cross multiply
    748,092.60x = 1,122,843.60 × 393,361.20
  4. Step 4: Simplify right side
    748,092.60x = 441,683,105,908.32
  5. Step 5: Solve for x
    x = 441,683,105,908.32/748,092.60
  6. Step 6: Final answer
    x = 590,412.34

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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.