Home / 1,205,512.62-1,808,268.75-939,472.26

Finding the Fourth Proportional to 1,205,512.62, 1,808,268.75 and 939,472.26

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Solution

The fourth proportional to 1,205,512.62, 1,808,268.75 and 939,472.26 is: 1,409,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,512.62 : 1,808,268.75 = 939,472.26 : x
  2. Step 2: Convert to fraction form
    1,205,512.62/1,808,268.75 = 939,472.26/x
  3. Step 3: Cross multiply
    1,205,512.62x = 1,808,268.75 × 939,472.26
  4. Step 4: Simplify right side
    1,205,512.62x = 1,698,818,329,249.88
  5. Step 5: Solve for x
    x = 1,698,818,329,249.88/1,205,512.62
  6. Step 6: Final answer
    x = 1,409,208.25

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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.