Home / 1,112,336.55-1,534,962.96-628,871.04

Finding the Fourth Proportional to 1,112,336.55, 1,534,962.96 and 628,871.04

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Solution

The fourth proportional to 1,112,336.55, 1,534,962.96 and 628,871.04 is: 867,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,336.55 : 1,534,962.96 = 628,871.04 : x
  2. Step 2: Convert to fraction form
    1,112,336.55/1,534,962.96 = 628,871.04/x
  3. Step 3: Cross multiply
    1,112,336.55x = 1,534,962.96 × 628,871.04
  4. Step 4: Simplify right side
    1,112,336.55x = 965,293,753,016.68
  5. Step 5: Solve for x
    x = 965,293,753,016.68/1,112,336.55
  6. Step 6: Final answer
    x = 867,807.28

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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.