Home / 1,317,229.02-1,817,775.54-713,617.02

Finding the Fourth Proportional to 1,317,229.02, 1,817,775.54 and 713,617.02

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Solution

The fourth proportional to 1,317,229.02, 1,817,775.54 and 713,617.02 is: 984,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,229.02 : 1,817,775.54 = 713,617.02 : x
  2. Step 2: Convert to fraction form
    1,317,229.02/1,817,775.54 = 713,617.02/x
  3. Step 3: Cross multiply
    1,317,229.02x = 1,817,775.54 × 713,617.02
  4. Step 4: Simplify right side
    1,317,229.02x = 1,297,195,563,883.69
  5. Step 5: Solve for x
    x = 1,297,195,563,883.69/1,317,229.02
  6. Step 6: Final answer
    x = 984,791.21

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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.