Home / 1,247,395.22-1,871,323.61-394,681.53

Finding the Fourth Proportional to 1,247,395.22, 1,871,323.61 and 394,681.53

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Solution

The fourth proportional to 1,247,395.22, 1,871,323.61 and 394,681.53 is: 592,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,395.22 : 1,871,323.61 = 394,681.53 : x
  2. Step 2: Convert to fraction form
    1,247,395.22/1,871,323.61 = 394,681.53/x
  3. Step 3: Cross multiply
    1,247,395.22x = 1,871,323.61 × 394,681.53
  4. Step 4: Simplify right side
    1,247,395.22x = 738,576,862,257.87
  5. Step 5: Solve for x
    x = 738,576,862,257.87/1,247,395.22
  6. Step 6: Final answer
    x = 592,095.31

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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.