Home / 432,904.58-649,356.84-117,353.28

Finding the Fourth Proportional to 432,904.58, 649,356.84 and 117,353.28

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Solution

The fourth proportional to 432,904.58, 649,356.84 and 117,353.28 is: 176,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,904.58 : 649,356.84 = 117,353.28 : x
  2. Step 2: Convert to fraction form
    432,904.58/649,356.84 = 117,353.28/x
  3. Step 3: Cross multiply
    432,904.58x = 649,356.84 × 117,353.28
  4. Step 4: Simplify right side
    432,904.58x = 76,204,155,064.44
  5. Step 5: Solve for x
    x = 76,204,155,064.44/432,904.58
  6. Step 6: Final answer
    x = 176,029.91

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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.