Home / 1,085,185.80-1,627,778.70-875,233.80

Finding the Fourth Proportional to 1,085,185.80, 1,627,778.70 and 875,233.80

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Solution

The fourth proportional to 1,085,185.80, 1,627,778.70 and 875,233.80 is: 1,312,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,185.80 : 1,627,778.70 = 875,233.80 : x
  2. Step 2: Convert to fraction form
    1,085,185.80/1,627,778.70 = 875,233.80/x
  3. Step 3: Cross multiply
    1,085,185.80x = 1,627,778.70 × 875,233.80
  4. Step 4: Simplify right side
    1,085,185.80x = 1,424,686,937,160.06
  5. Step 5: Solve for x
    x = 1,424,686,937,160.06/1,085,185.80
  6. Step 6: Final answer
    x = 1,312,850.70

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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.