Home / 1,858,969.15-2,786,211.36-959,920.79

Finding the Fourth Proportional to 1,858,969.15, 2,786,211.36 and 959,920.79

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Solution

The fourth proportional to 1,858,969.15, 2,786,211.36 and 959,920.79 is: 1,438,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,969.15 : 2,786,211.36 = 959,920.79 : x
  2. Step 2: Convert to fraction form
    1,858,969.15/2,786,211.36 = 959,920.79/x
  3. Step 3: Cross multiply
    1,858,969.15x = 2,786,211.36 × 959,920.79
  4. Step 4: Simplify right side
    1,858,969.15x = 2,674,542,209,798.17
  5. Step 5: Solve for x
    x = 2,674,542,209,798.17/1,858,969.15
  6. Step 6: Final answer
    x = 1,438,723.29

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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.