Home / 483,023.38-666,559.28-289,540.38

Finding the Fourth Proportional to 483,023.38, 666,559.28 and 289,540.38

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Solution

The fourth proportional to 483,023.38, 666,559.28 and 289,540.38 is: 399,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,023.38 : 666,559.28 = 289,540.38 : x
  2. Step 2: Convert to fraction form
    483,023.38/666,559.28 = 289,540.38/x
  3. Step 3: Cross multiply
    483,023.38x = 666,559.28 × 289,540.38
  4. Step 4: Simplify right side
    483,023.38x = 192,995,827,223.73
  5. Step 5: Solve for x
    x = 192,995,827,223.73/483,023.38
  6. Step 6: Final answer
    x = 399,557.94

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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.