Home / 1,316,717.36-1,817,072.25-713,105.36

Finding the Fourth Proportional to 1,316,717.36, 1,817,072.25 and 713,105.36

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Solution

The fourth proportional to 1,316,717.36, 1,817,072.25 and 713,105.36 is: 984,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,717.36 : 1,817,072.25 = 713,105.36 : x
  2. Step 2: Convert to fraction form
    1,316,717.36/1,817,072.25 = 713,105.36/x
  3. Step 3: Cross multiply
    1,316,717.36x = 1,817,072.25 × 713,105.36
  4. Step 4: Simplify right side
    1,316,717.36x = 1,295,763,960,982.26
  5. Step 5: Solve for x
    x = 1,295,763,960,982.26/1,316,717.36
  6. Step 6: Final answer
    x = 984,086.64

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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.