Home / 1,317,364.64-1,817,963.36-713,752.64

Finding the Fourth Proportional to 1,317,364.64, 1,817,963.36 and 713,752.64

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Solution

The fourth proportional to 1,317,364.64, 1,817,963.36 and 713,752.64 is: 984,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,364.64 : 1,817,963.36 = 713,752.64 : x
  2. Step 2: Convert to fraction form
    1,317,364.64/1,817,963.36 = 713,752.64/x
  3. Step 3: Cross multiply
    1,317,364.64x = 1,817,963.36 × 713,752.64
  4. Step 4: Simplify right side
    1,317,364.64x = 1,297,576,147,623.27
  5. Step 5: Solve for x
    x = 1,297,576,147,623.27/1,317,364.64
  6. Step 6: Final answer
    x = 984,978.73

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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.