Home / 1,215,249.82-1,677,012.33-671,297.92

Finding the Fourth Proportional to 1,215,249.82, 1,677,012.33 and 671,297.92

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Solution

The fourth proportional to 1,215,249.82, 1,677,012.33 and 671,297.92 is: 926,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,249.82 : 1,677,012.33 = 671,297.92 : x
  2. Step 2: Convert to fraction form
    1,215,249.82/1,677,012.33 = 671,297.92/x
  3. Step 3: Cross multiply
    1,215,249.82x = 1,677,012.33 × 671,297.92
  4. Step 4: Simplify right side
    1,215,249.82x = 1,125,774,888,943.35
  5. Step 5: Solve for x
    x = 1,125,774,888,943.35/1,215,249.82
  6. Step 6: Final answer
    x = 926,373.22

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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.