Home / 1,152,551.19-1,729,029.69-394,214.61

Finding the Fourth Proportional to 1,152,551.19, 1,729,029.69 and 394,214.61

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Solution

The fourth proportional to 1,152,551.19, 1,729,029.69 and 394,214.61 is: 591,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,551.19 : 1,729,029.69 = 394,214.61 : x
  2. Step 2: Convert to fraction form
    1,152,551.19/1,729,029.69 = 394,214.61/x
  3. Step 3: Cross multiply
    1,152,551.19x = 1,729,029.69 × 394,214.61
  4. Step 4: Simplify right side
    1,152,551.19x = 681,608,764,921.77
  5. Step 5: Solve for x
    x = 681,608,764,921.77/1,152,551.19
  6. Step 6: Final answer
    x = 591,391.32

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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.