Home / 1,139,279.94-1,709,760.99-540,243.11

Finding the Fourth Proportional to 1,139,279.94, 1,709,760.99 and 540,243.11

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Solution

The fourth proportional to 1,139,279.94, 1,709,760.99 and 540,243.11 is: 810,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,279.94 : 1,709,760.99 = 540,243.11 : x
  2. Step 2: Convert to fraction form
    1,139,279.94/1,709,760.99 = 540,243.11/x
  3. Step 3: Cross multiply
    1,139,279.94x = 1,709,760.99 × 540,243.11
  4. Step 4: Simplify right side
    1,139,279.94x = 923,686,586,045.47
  5. Step 5: Solve for x
    x = 923,686,586,045.47/1,139,279.94
  6. Step 6: Final answer
    x = 810,763.50

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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.