Home / 1,180,581.76-1,770,257.76-422,130.88

Finding the Fourth Proportional to 1,180,581.76, 1,770,257.76 and 422,130.88

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Solution

The fourth proportional to 1,180,581.76, 1,770,257.76 and 422,130.88 is: 632,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,581.76 : 1,770,257.76 = 422,130.88 : x
  2. Step 2: Convert to fraction form
    1,180,581.76/1,770,257.76 = 422,130.88/x
  3. Step 3: Cross multiply
    1,180,581.76x = 1,770,257.76 × 422,130.88
  4. Step 4: Simplify right side
    1,180,581.76x = 747,280,466,055.63
  5. Step 5: Solve for x
    x = 747,280,466,055.63/1,180,581.76
  6. Step 6: Final answer
    x = 632,976.46

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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.