Home / 1,219,144.22-1,682,436.40-702,887.88

Finding the Fourth Proportional to 1,219,144.22, 1,682,436.40 and 702,887.88

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Solution

The fourth proportional to 1,219,144.22, 1,682,436.40 and 702,887.88 is: 969,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,144.22 : 1,682,436.40 = 702,887.88 : x
  2. Step 2: Convert to fraction form
    1,219,144.22/1,682,436.40 = 702,887.88/x
  3. Step 3: Cross multiply
    1,219,144.22x = 1,682,436.40 × 702,887.88
  4. Step 4: Simplify right side
    1,219,144.22x = 1,182,564,154,430.83
  5. Step 5: Solve for x
    x = 1,182,564,154,430.83/1,219,144.22
  6. Step 6: Final answer
    x = 969,995.29

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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.