Home / 480,886.05-721,129.57-177,297.46

Finding the Fourth Proportional to 480,886.05, 721,129.57 and 177,297.46

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Solution

The fourth proportional to 480,886.05, 721,129.57 and 177,297.46 is: 265,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,886.05 : 721,129.57 = 177,297.46 : x
  2. Step 2: Convert to fraction form
    480,886.05/721,129.57 = 177,297.46/x
  3. Step 3: Cross multiply
    480,886.05x = 721,129.57 × 177,297.46
  4. Step 4: Simplify right side
    480,886.05x = 127,854,441,091.89
  5. Step 5: Solve for x
    x = 127,854,441,091.89/480,886.05
  6. Step 6: Final answer
    x = 265,872.63

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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.