Home / 865,555.03-1,297,171.89-673,661.23

Finding the Fourth Proportional to 865,555.03, 1,297,171.89 and 673,661.23

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Solution

The fourth proportional to 865,555.03, 1,297,171.89 and 673,661.23 is: 1,009,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,555.03 : 1,297,171.89 = 673,661.23 : x
  2. Step 2: Convert to fraction form
    865,555.03/1,297,171.89 = 673,661.23/x
  3. Step 3: Cross multiply
    865,555.03x = 1,297,171.89 × 673,661.23
  4. Step 4: Simplify right side
    865,555.03x = 873,854,410,938.83
  5. Step 5: Solve for x
    x = 873,854,410,938.83/865,555.03
  6. Step 6: Final answer
    x = 1,009,588.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.