Home / 1,090,711.49-1,501,843.61-1,087,562.21

Finding the Fourth Proportional to 1,090,711.49, 1,501,843.61 and 1,087,562.21

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Solution

The fourth proportional to 1,090,711.49, 1,501,843.61 and 1,087,562.21 is: 1,497,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,711.49 : 1,501,843.61 = 1,087,562.21 : x
  2. Step 2: Convert to fraction form
    1,090,711.49/1,501,843.61 = 1,087,562.21/x
  3. Step 3: Cross multiply
    1,090,711.49x = 1,501,843.61 × 1,087,562.21
  4. Step 4: Simplify right side
    1,090,711.49x = 1,633,348,350,775.67
  5. Step 5: Solve for x
    x = 1,633,348,350,775.67/1,090,711.49
  6. Step 6: Final answer
    x = 1,497,507.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.