Home / 2,754,665.12-4,132,235.76-760,121.12

Finding the Fourth Proportional to 2,754,665.12, 4,132,235.76 and 760,121.12

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Solution

The fourth proportional to 2,754,665.12, 4,132,235.76 and 760,121.12 is: 1,140,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,665.12 : 4,132,235.76 = 760,121.12 : x
  2. Step 2: Convert to fraction form
    2,754,665.12/4,132,235.76 = 760,121.12/x
  3. Step 3: Cross multiply
    2,754,665.12x = 4,132,235.76 × 760,121.12
  4. Step 4: Simplify right side
    2,754,665.12x = 3,140,999,673,995.25
  5. Step 5: Solve for x
    x = 3,140,999,673,995.25/2,754,665.12
  6. Step 6: Final answer
    x = 1,140,247.38

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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.