Home / 1,178,220.76-1,625,662.38-694,747.96

Finding the Fourth Proportional to 1,178,220.76, 1,625,662.38 and 694,747.96

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Solution

The fourth proportional to 1,178,220.76, 1,625,662.38 and 694,747.96 is: 958,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,220.76 : 1,625,662.38 = 694,747.96 : x
  2. Step 2: Convert to fraction form
    1,178,220.76/1,625,662.38 = 694,747.96/x
  3. Step 3: Cross multiply
    1,178,220.76x = 1,625,662.38 × 694,747.96
  4. Step 4: Simplify right side
    1,178,220.76x = 1,129,425,622,153.74
  5. Step 5: Solve for x
    x = 1,129,425,622,153.74/1,178,220.76
  6. Step 6: Final answer
    x = 958,585.74

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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.