Home / 1,247,396.72-1,871,325.86-394,683.03

Finding the Fourth Proportional to 1,247,396.72, 1,871,325.86 and 394,683.03

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Solution

The fourth proportional to 1,247,396.72, 1,871,325.86 and 394,683.03 is: 592,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,396.72 : 1,871,325.86 = 394,683.03 : x
  2. Step 2: Convert to fraction form
    1,247,396.72/1,871,325.86 = 394,683.03/x
  3. Step 3: Cross multiply
    1,247,396.72x = 1,871,325.86 × 394,683.03
  4. Step 4: Simplify right side
    1,247,396.72x = 738,580,558,568.74
  5. Step 5: Solve for x
    x = 738,580,558,568.74/1,247,396.72
  6. Step 6: Final answer
    x = 592,097.57

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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.