Home / 1,247,887.40-1,872,176.70-827,983.40

Finding the Fourth Proportional to 1,247,887.40, 1,872,176.70 and 827,983.40

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Solution

The fourth proportional to 1,247,887.40, 1,872,176.70 and 827,983.40 is: 1,242,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,887.40 : 1,872,176.70 = 827,983.40 : x
  2. Step 2: Convert to fraction form
    1,247,887.40/1,872,176.70 = 827,983.40/x
  3. Step 3: Cross multiply
    1,247,887.40x = 1,872,176.70 × 827,983.40
  4. Step 4: Simplify right side
    1,247,887.40x = 1,550,131,229,466.78
  5. Step 5: Solve for x
    x = 1,550,131,229,466.78/1,247,887.40
  6. Step 6: Final answer
    x = 1,242,204.41

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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.