Home / 893,503.80-1,340,255.70-395,839.80

Finding the Fourth Proportional to 893,503.80, 1,340,255.70 and 395,839.80

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Solution

The fourth proportional to 893,503.80, 1,340,255.70 and 395,839.80 is: 593,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,503.80 : 1,340,255.70 = 395,839.80 : x
  2. Step 2: Convert to fraction form
    893,503.80/1,340,255.70 = 395,839.80/x
  3. Step 3: Cross multiply
    893,503.80x = 1,340,255.70 × 395,839.80
  4. Step 4: Simplify right side
    893,503.80x = 530,526,548,236.86
  5. Step 5: Solve for x
    x = 530,526,548,236.86/893,503.80
  6. Step 6: Final answer
    x = 593,759.70

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1.5x scale

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.