Home / 432,853.56-649,512.45-180,308.52

Finding the Fourth Proportional to 432,853.56, 649,512.45 and 180,308.52

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Solution

The fourth proportional to 432,853.56, 649,512.45 and 180,308.52 is: 270,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,853.56 : 649,512.45 = 180,308.52 : x
  2. Step 2: Convert to fraction form
    432,853.56/649,512.45 = 180,308.52/x
  3. Step 3: Cross multiply
    432,853.56x = 649,512.45 × 180,308.52
  4. Step 4: Simplify right side
    432,853.56x = 117,112,628,581.07
  5. Step 5: Solve for x
    x = 117,112,628,581.07/432,853.56
  6. Step 6: Final answer
    x = 270,559.47

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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.