Home / 891,440.13-1,230,180.11-483,540.94

Finding the Fourth Proportional to 891,440.13, 1,230,180.11 and 483,540.94

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Solution

The fourth proportional to 891,440.13, 1,230,180.11 and 483,540.94 is: 667,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,440.13 : 1,230,180.11 = 483,540.94 : x
  2. Step 2: Convert to fraction form
    891,440.13/1,230,180.11 = 483,540.94/x
  3. Step 3: Cross multiply
    891,440.13x = 1,230,180.11 × 483,540.94
  4. Step 4: Simplify right side
    891,440.13x = 594,842,447,692.00
  5. Step 5: Solve for x
    x = 594,842,447,692.00/891,440.13
  6. Step 6: Final answer
    x = 667,282.55

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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.