Home / 962,408.88-1,328,155.56-554,478.66

Finding the Fourth Proportional to 962,408.88, 1,328,155.56 and 554,478.66

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Solution

The fourth proportional to 962,408.88, 1,328,155.56 and 554,478.66 is: 765,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,408.88 : 1,328,155.56 = 554,478.66 : x
  2. Step 2: Convert to fraction form
    962,408.88/1,328,155.56 = 554,478.66/x
  3. Step 3: Cross multiply
    962,408.88x = 1,328,155.56 × 554,478.66
  4. Step 4: Simplify right side
    962,408.88x = 736,433,915,180.35
  5. Step 5: Solve for x
    x = 736,433,915,180.35/962,408.88
  6. Step 6: Final answer
    x = 765,198.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.