Home / 1,116,640.20-1,540,887.66-607,331.64

Finding the Fourth Proportional to 1,116,640.20, 1,540,887.66 and 607,331.64

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Solution

The fourth proportional to 1,116,640.20, 1,540,887.66 and 607,331.64 is: 838,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,640.20 : 1,540,887.66 = 607,331.64 : x
  2. Step 2: Convert to fraction form
    1,116,640.20/1,540,887.66 = 607,331.64/x
  3. Step 3: Cross multiply
    1,116,640.20x = 1,540,887.66 × 607,331.64
  4. Step 4: Simplify right side
    1,116,640.20x = 935,829,829,603.56
  5. Step 5: Solve for x
    x = 935,829,829,603.56/1,116,640.20
  6. Step 6: Final answer
    x = 838,076.43

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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.