Home / 1,313,584.53-1,812,745.71-709,972.53

Finding the Fourth Proportional to 1,313,584.53, 1,812,745.71 and 709,972.53

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Solution

The fourth proportional to 1,313,584.53, 1,812,745.71 and 709,972.53 is: 979,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,584.53 : 1,812,745.71 = 709,972.53 : x
  2. Step 2: Convert to fraction form
    1,313,584.53/1,812,745.71 = 709,972.53/x
  3. Step 3: Cross multiply
    1,313,584.53x = 1,812,745.71 × 709,972.53
  4. Step 4: Simplify right side
    1,313,584.53x = 1,286,999,657,975.35
  5. Step 5: Solve for x
    x = 1,286,999,657,975.35/1,313,584.53
  6. Step 6: Final answer
    x = 979,761.58

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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.