Home / 2,606,395.82-3,909,768.71-713,153.66

Finding the Fourth Proportional to 2,606,395.82, 3,909,768.71 and 713,153.66

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Solution

The fourth proportional to 2,606,395.82, 3,909,768.71 and 713,153.66 is: 1,069,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,395.82 : 3,909,768.71 = 713,153.66 : x
  2. Step 2: Convert to fraction form
    2,606,395.82/3,909,768.71 = 713,153.66/x
  3. Step 3: Cross multiply
    2,606,395.82x = 3,909,768.71 × 713,153.66
  4. Step 4: Simplify right side
    2,606,395.82x = 2,788,265,842,175.37
  5. Step 5: Solve for x
    x = 2,788,265,842,175.37/2,606,395.82
  6. Step 6: Final answer
    x = 1,069,778.36

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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.