Home / 1,124,405.88-1,687,162.88-525,408.44

Finding the Fourth Proportional to 1,124,405.88, 1,687,162.88 and 525,408.44

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Solution

The fourth proportional to 1,124,405.88, 1,687,162.88 and 525,408.44 is: 788,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,405.88 : 1,687,162.88 = 525,408.44 : x
  2. Step 2: Convert to fraction form
    1,124,405.88/1,687,162.88 = 525,408.44/x
  3. Step 3: Cross multiply
    1,124,405.88x = 1,687,162.88 × 525,408.44
  4. Step 4: Simplify right side
    1,124,405.88x = 886,449,616,806.71
  5. Step 5: Solve for x
    x = 886,449,616,806.71/1,124,405.88
  6. Step 6: Final answer
    x = 788,371.56

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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.