Home / 1,171,213.32-1,616,244.03-647,943.25

Finding the Fourth Proportional to 1,171,213.32, 1,616,244.03 and 647,943.25

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Solution

The fourth proportional to 1,171,213.32, 1,616,244.03 and 647,943.25 is: 894,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,213.32 : 1,616,244.03 = 647,943.25 : x
  2. Step 2: Convert to fraction form
    1,171,213.32/1,616,244.03 = 647,943.25/x
  3. Step 3: Cross multiply
    1,171,213.32x = 1,616,244.03 × 647,943.25
  4. Step 4: Simplify right side
    1,171,213.32x = 1,047,234,409,591.30
  5. Step 5: Solve for x
    x = 1,047,234,409,591.30/1,171,213.32
  6. Step 6: Final answer
    x = 894,144.89

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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.