Home / 1,138,076.36-1,570,524.90-628,813.16

Finding the Fourth Proportional to 1,138,076.36, 1,570,524.90 and 628,813.16

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Solution

The fourth proportional to 1,138,076.36, 1,570,524.90 and 628,813.16 is: 867,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,076.36 : 1,570,524.90 = 628,813.16 : x
  2. Step 2: Convert to fraction form
    1,138,076.36/1,570,524.90 = 628,813.16/x
  3. Step 3: Cross multiply
    1,138,076.36x = 1,570,524.90 × 628,813.16
  4. Step 4: Simplify right side
    1,138,076.36x = 987,566,725,227.68
  5. Step 5: Solve for x
    x = 987,566,725,227.68/1,138,076.36
  6. Step 6: Final answer
    x = 867,750.85

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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.