Home / 1,247,396.96-1,871,326.22-394,683.26

Finding the Fourth Proportional to 1,247,396.96, 1,871,326.22 and 394,683.26

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Solution

The fourth proportional to 1,247,396.96, 1,871,326.22 and 394,683.26 is: 592,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,396.96 : 1,871,326.22 = 394,683.26 : x
  2. Step 2: Convert to fraction form
    1,247,396.96/1,871,326.22 = 394,683.26/x
  3. Step 3: Cross multiply
    1,247,396.96x = 1,871,326.22 × 394,683.26
  4. Step 4: Simplify right side
    1,247,396.96x = 738,581,133,033.08
  5. Step 5: Solve for x
    x = 738,581,133,033.08/1,247,396.96
  6. Step 6: Final answer
    x = 592,097.91

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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.