Home / 732,649.20-1,097,515.80-644,974.80

Finding the Fourth Proportional to 732,649.20, 1,097,515.80 and 644,974.80

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Solution

The fourth proportional to 732,649.20, 1,097,515.80 and 644,974.80 is: 966,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,649.20 : 1,097,515.80 = 644,974.80 : x
  2. Step 2: Convert to fraction form
    732,649.20/1,097,515.80 = 644,974.80/x
  3. Step 3: Cross multiply
    732,649.20x = 1,097,515.80 × 644,974.80
  4. Step 4: Simplify right side
    732,649.20x = 707,870,033,601.84
  5. Step 5: Solve for x
    x = 707,870,033,601.84/732,649.20
  6. Step 6: Final answer
    x = 966,178.68

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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.