Home / 1,227,328.69-1,840,137.14-543,843.81

Finding the Fourth Proportional to 1,227,328.69, 1,840,137.14 and 543,843.81

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Solution

The fourth proportional to 1,227,328.69, 1,840,137.14 and 543,843.81 is: 815,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,328.69 : 1,840,137.14 = 543,843.81 : x
  2. Step 2: Convert to fraction form
    1,227,328.69/1,840,137.14 = 543,843.81/x
  3. Step 3: Cross multiply
    1,227,328.69x = 1,840,137.14 × 543,843.81
  4. Step 4: Simplify right side
    1,227,328.69x = 1,000,747,181,220.20
  5. Step 5: Solve for x
    x = 1,000,747,181,220.20/1,227,328.69
  6. Step 6: Final answer
    x = 815,386.45

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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.