Home / 547,114.12-755,143.44-320,832.52

Finding the Fourth Proportional to 547,114.12, 755,143.44 and 320,832.52

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Solution

The fourth proportional to 547,114.12, 755,143.44 and 320,832.52 is: 442,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,114.12 : 755,143.44 = 320,832.52 : x
  2. Step 2: Convert to fraction form
    547,114.12/755,143.44 = 320,832.52/x
  3. Step 3: Cross multiply
    547,114.12x = 755,143.44 × 320,832.52
  4. Step 4: Simplify right side
    547,114.12x = 242,274,572,816.67
  5. Step 5: Solve for x
    x = 242,274,572,816.67/547,114.12
  6. Step 6: Final answer
    x = 442,822.74

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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.