Home / 1,179,468.36-1,766,200.88-779,509.80

Finding the Fourth Proportional to 1,179,468.36, 1,766,200.88 and 779,509.80

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Solution

The fourth proportional to 1,179,468.36, 1,766,200.88 and 779,509.80 is: 1,167,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,468.36 : 1,766,200.88 = 779,509.80 : x
  2. Step 2: Convert to fraction form
    1,179,468.36/1,766,200.88 = 779,509.80/x
  3. Step 3: Cross multiply
    1,179,468.36x = 1,766,200.88 × 779,509.80
  4. Step 4: Simplify right side
    1,179,468.36x = 1,376,770,896,677.40
  5. Step 5: Solve for x
    x = 1,376,770,896,677.40/1,179,468.36
  6. Step 6: Final answer
    x = 1,167,280.91

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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.