Home / 787,234.20-1,179,101.70-609,163.80

Finding the Fourth Proportional to 787,234.20, 1,179,101.70 and 609,163.80

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Solution

The fourth proportional to 787,234.20, 1,179,101.70 and 609,163.80 is: 912,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,234.20 : 1,179,101.70 = 609,163.80 : x
  2. Step 2: Convert to fraction form
    787,234.20/1,179,101.70 = 609,163.80/x
  3. Step 3: Cross multiply
    787,234.20x = 1,179,101.70 × 609,163.80
  4. Step 4: Simplify right side
    787,234.20x = 718,266,072,158.46
  5. Step 5: Solve for x
    x = 718,266,072,158.46/787,234.20
  6. Step 6: Final answer
    x = 912,391.86

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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.