Home / 1,677,581.28-2,515,759.56-612,308.16

Finding the Fourth Proportional to 1,677,581.28, 2,515,759.56 and 612,308.16

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Solution

The fourth proportional to 1,677,581.28, 2,515,759.56 and 612,308.16 is: 918,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,581.28 : 2,515,759.56 = 612,308.16 : x
  2. Step 2: Convert to fraction form
    1,677,581.28/2,515,759.56 = 612,308.16/x
  3. Step 3: Cross multiply
    1,677,581.28x = 2,515,759.56 × 612,308.16
  4. Step 4: Simplify right side
    1,677,581.28x = 1,540,420,107,186.01
  5. Step 5: Solve for x
    x = 1,540,420,107,186.01/1,677,581.28
  6. Step 6: Final answer
    x = 918,238.73

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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.