Home / 691,692.48-1,037,512.80-218,406.24

Finding the Fourth Proportional to 691,692.48, 1,037,512.80 and 218,406.24

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Solution

The fourth proportional to 691,692.48, 1,037,512.80 and 218,406.24 is: 327,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,692.48 : 1,037,512.80 = 218,406.24 : x
  2. Step 2: Convert to fraction form
    691,692.48/1,037,512.80 = 218,406.24/x
  3. Step 3: Cross multiply
    691,692.48x = 1,037,512.80 × 218,406.24
  4. Step 4: Simplify right side
    691,692.48x = 226,599,269,599.87
  5. Step 5: Solve for x
    x = 226,599,269,599.87/691,692.48
  6. Step 6: Final answer
    x = 327,601.18

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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.