Home / 1,247,393.95-1,871,321.71-394,680.25

Finding the Fourth Proportional to 1,247,393.95, 1,871,321.71 and 394,680.25

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Solution

The fourth proportional to 1,247,393.95, 1,871,321.71 and 394,680.25 is: 592,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,393.95 : 1,871,321.71 = 394,680.25 : x
  2. Step 2: Convert to fraction form
    1,247,393.95/1,871,321.71 = 394,680.25/x
  3. Step 3: Cross multiply
    1,247,393.95x = 1,871,321.71 × 394,680.25
  4. Step 4: Simplify right side
    1,247,393.95x = 738,573,713,009.56
  5. Step 5: Solve for x
    x = 738,573,713,009.56/1,247,393.95
  6. Step 6: Final answer
    x = 592,093.39

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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.