Home / 1,442,127.70-2,161,666.12-543,180.49

Finding the Fourth Proportional to 1,442,127.70, 2,161,666.12 and 543,180.49

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Solution

The fourth proportional to 1,442,127.70, 2,161,666.12 and 543,180.49 is: 814,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,127.70 : 2,161,666.12 = 543,180.49 : x
  2. Step 2: Convert to fraction form
    1,442,127.70/2,161,666.12 = 543,180.49/x
  3. Step 3: Cross multiply
    1,442,127.70x = 2,161,666.12 × 543,180.49
  4. Step 4: Simplify right side
    1,442,127.70x = 1,174,174,862,278.00
  5. Step 5: Solve for x
    x = 1,174,174,862,278.00/1,442,127.70
  6. Step 6: Final answer
    x = 814,196.18

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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.