Home / 1,188,361.71-1,640,148.82-705,193.27

Finding the Fourth Proportional to 1,188,361.71, 1,640,148.82 and 705,193.27

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Solution

The fourth proportional to 1,188,361.71, 1,640,148.82 and 705,193.27 is: 973,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,361.71 : 1,640,148.82 = 705,193.27 : x
  2. Step 2: Convert to fraction form
    1,188,361.71/1,640,148.82 = 705,193.27/x
  3. Step 3: Cross multiply
    1,188,361.71x = 1,640,148.82 × 705,193.27
  4. Step 4: Simplify right side
    1,188,361.71x = 1,156,621,909,662.44
  5. Step 5: Solve for x
    x = 1,156,621,909,662.44/1,188,361.71
  6. Step 6: Final answer
    x = 973,291.13

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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.