Home / 1,206,018.11-1,664,308.31-662,189.13

Finding the Fourth Proportional to 1,206,018.11, 1,664,308.31 and 662,189.13

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Solution

The fourth proportional to 1,206,018.11, 1,664,308.31 and 662,189.13 is: 913,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,018.11 : 1,664,308.31 = 662,189.13 : x
  2. Step 2: Convert to fraction form
    1,206,018.11/1,664,308.31 = 662,189.13/x
  3. Step 3: Cross multiply
    1,206,018.11x = 1,664,308.31 × 662,189.13
  4. Step 4: Simplify right side
    1,206,018.11x = 1,102,086,871,850.67
  5. Step 5: Solve for x
    x = 1,102,086,871,850.67/1,206,018.11
  6. Step 6: Final answer
    x = 913,822.82

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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.