Home / 1,418,009.99-1,957,019.21-806,254.41

Finding the Fourth Proportional to 1,418,009.99, 1,957,019.21 and 806,254.41

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Solution

The fourth proportional to 1,418,009.99, 1,957,019.21 and 806,254.41 is: 1,112,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,009.99 : 1,957,019.21 = 806,254.41 : x
  2. Step 2: Convert to fraction form
    1,418,009.99/1,957,019.21 = 806,254.41/x
  3. Step 3: Cross multiply
    1,418,009.99x = 1,957,019.21 × 806,254.41
  4. Step 4: Simplify right side
    1,418,009.99x = 1,577,855,364,485.94
  5. Step 5: Solve for x
    x = 1,577,855,364,485.94/1,418,009.99
  6. Step 6: Final answer
    x = 1,112,725.14

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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.