Home / 1,064,408.20-1,597,130.70-811,601.80

Finding the Fourth Proportional to 1,064,408.20, 1,597,130.70 and 811,601.80

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Solution

The fourth proportional to 1,064,408.20, 1,597,130.70 and 811,601.80 is: 1,217,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,408.20 : 1,597,130.70 = 811,601.80 : x
  2. Step 2: Convert to fraction form
    1,064,408.20/1,597,130.70 = 811,601.80/x
  3. Step 3: Cross multiply
    1,064,408.20x = 1,597,130.70 × 811,601.80
  4. Step 4: Simplify right side
    1,064,408.20x = 1,296,234,150,955.26
  5. Step 5: Solve for x
    x = 1,296,234,150,955.26/1,064,408.20
  6. Step 6: Final answer
    x = 1,217,797.98

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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.