Home / 547,106.04-755,132.28-320,824.44

Finding the Fourth Proportional to 547,106.04, 755,132.28 and 320,824.44

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Solution

The fourth proportional to 547,106.04, 755,132.28 and 320,824.44 is: 442,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,106.04 : 755,132.28 = 320,824.44 : x
  2. Step 2: Convert to fraction form
    547,106.04/755,132.28 = 320,824.44/x
  3. Step 3: Cross multiply
    547,106.04x = 755,132.28 × 320,824.44
  4. Step 4: Simplify right side
    547,106.04x = 242,264,890,856.92
  5. Step 5: Solve for x
    x = 242,264,890,856.92/547,106.04
  6. Step 6: Final answer
    x = 442,811.58

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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.