Home / 727,073.33-1,091,108.18-253,758.69

Finding the Fourth Proportional to 727,073.33, 1,091,108.18 and 253,758.69

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Solution

The fourth proportional to 727,073.33, 1,091,108.18 and 253,758.69 is: 380,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,073.33 : 1,091,108.18 = 253,758.69 : x
  2. Step 2: Convert to fraction form
    727,073.33/1,091,108.18 = 253,758.69/x
  3. Step 3: Cross multiply
    727,073.33x = 1,091,108.18 × 253,758.69
  4. Step 4: Simplify right side
    727,073.33x = 276,878,183,039.48
  5. Step 5: Solve for x
    x = 276,878,183,039.48/727,073.33
  6. Step 6: Final answer
    x = 380,811.91

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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.