Home / 947,806.20-1,421,709.30-735,229.80

Finding the Fourth Proportional to 947,806.20, 1,421,709.30 and 735,229.80

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Solution

The fourth proportional to 947,806.20, 1,421,709.30 and 735,229.80 is: 1,102,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,806.20 : 1,421,709.30 = 735,229.80 : x
  2. Step 2: Convert to fraction form
    947,806.20/1,421,709.30 = 735,229.80/x
  3. Step 3: Cross multiply
    947,806.20x = 1,421,709.30 × 735,229.80
  4. Step 4: Simplify right side
    947,806.20x = 1,045,283,044,297.14
  5. Step 5: Solve for x
    x = 1,045,283,044,297.14/947,806.20
  6. Step 6: Final answer
    x = 1,102,844.70

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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.