Home / 1,317,223.46-1,817,756.97-713,610.02

Finding the Fourth Proportional to 1,317,223.46, 1,817,756.97 and 713,610.02

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Solution

The fourth proportional to 1,317,223.46, 1,817,756.97 and 713,610.02 is: 984,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,223.46 : 1,817,756.97 = 713,610.02 : x
  2. Step 2: Convert to fraction form
    1,317,223.46/1,817,756.97 = 713,610.02/x
  3. Step 3: Cross multiply
    1,317,223.46x = 1,817,756.97 × 713,610.02
  4. Step 4: Simplify right side
    1,317,223.46x = 1,297,169,587,716.84
  5. Step 5: Solve for x
    x = 1,297,169,587,716.84/1,317,223.46
  6. Step 6: Final answer
    x = 984,775.65

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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.