Home / 1,517,186.10-2,093,757.91-905,693.77

Finding the Fourth Proportional to 1,517,186.10, 2,093,757.91 and 905,693.77

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Solution

The fourth proportional to 1,517,186.10, 2,093,757.91 and 905,693.77 is: 1,249,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,186.10 : 2,093,757.91 = 905,693.77 : x
  2. Step 2: Convert to fraction form
    1,517,186.10/2,093,757.91 = 905,693.77/x
  3. Step 3: Cross multiply
    1,517,186.10x = 2,093,757.91 × 905,693.77
  4. Step 4: Simplify right side
    1,517,186.10x = 1,896,303,494,975.22
  5. Step 5: Solve for x
    x = 1,896,303,494,975.22/1,517,186.10
  6. Step 6: Final answer
    x = 1,249,881.93

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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.