Home / 1,178,046.20-1,767,069.30-579,099.80

Finding the Fourth Proportional to 1,178,046.20, 1,767,069.30 and 579,099.80

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Solution

The fourth proportional to 1,178,046.20, 1,767,069.30 and 579,099.80 is: 868,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,046.20 : 1,767,069.30 = 579,099.80 : x
  2. Step 2: Convert to fraction form
    1,178,046.20/1,767,069.30 = 579,099.80/x
  3. Step 3: Cross multiply
    1,178,046.20x = 1,767,069.30 × 579,099.80
  4. Step 4: Simplify right side
    1,178,046.20x = 1,023,309,478,216.14
  5. Step 5: Solve for x
    x = 1,023,309,478,216.14/1,178,046.20
  6. Step 6: Final answer
    x = 868,649.70

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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.