Home / 1,235,954.40-1,853,931.60-394,591.20

Finding the Fourth Proportional to 1,235,954.40, 1,853,931.60 and 394,591.20

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Solution

The fourth proportional to 1,235,954.40, 1,853,931.60 and 394,591.20 is: 591,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,954.40 : 1,853,931.60 = 394,591.20 : x
  2. Step 2: Convert to fraction form
    1,235,954.40/1,853,931.60 = 394,591.20/x
  3. Step 3: Cross multiply
    1,235,954.40x = 1,853,931.60 × 394,591.20
  4. Step 4: Simplify right side
    1,235,954.40x = 731,545,094,761.92
  5. Step 5: Solve for x
    x = 731,545,094,761.92/1,235,954.40
  6. Step 6: Final answer
    x = 591,886.80

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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.