Home / 1,239,297.71-1,709,266.66-896,419.85

Finding the Fourth Proportional to 1,239,297.71, 1,709,266.66 and 896,419.85

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Solution

The fourth proportional to 1,239,297.71, 1,709,266.66 and 896,419.85 is: 1,236,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,297.71 : 1,709,266.66 = 896,419.85 : x
  2. Step 2: Convert to fraction form
    1,239,297.71/1,709,266.66 = 896,419.85/x
  3. Step 3: Cross multiply
    1,239,297.71x = 1,709,266.66 × 896,419.85
  4. Step 4: Simplify right side
    1,239,297.71x = 1,532,220,552,179.82
  5. Step 5: Solve for x
    x = 1,532,220,552,179.82/1,239,297.71
  6. Step 6: Final answer
    x = 1,236,361.97

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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.