Home / 2,859,754.81-4,289,628.76-729,839.15

Finding the Fourth Proportional to 2,859,754.81, 4,289,628.76 and 729,839.15

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Solution

The fourth proportional to 2,859,754.81, 4,289,628.76 and 729,839.15 is: 1,094,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,754.81 : 4,289,628.76 = 729,839.15 : x
  2. Step 2: Convert to fraction form
    2,859,754.81/4,289,628.76 = 729,839.15/x
  3. Step 3: Cross multiply
    2,859,754.81x = 4,289,628.76 × 729,839.15
  4. Step 4: Simplify right side
    2,859,754.81x = 3,130,739,008,013.95
  5. Step 5: Solve for x
    x = 3,130,739,008,013.95/2,859,754.81
  6. Step 6: Final answer
    x = 1,094,757.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.