Home / 1,143,866.88-1,578,607.20-660,519.36

Finding the Fourth Proportional to 1,143,866.88, 1,578,607.20 and 660,519.36

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Solution

The fourth proportional to 1,143,866.88, 1,578,607.20 and 660,519.36 is: 911,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,866.88 : 1,578,607.20 = 660,519.36 : x
  2. Step 2: Convert to fraction form
    1,143,866.88/1,578,607.20 = 660,519.36/x
  3. Step 3: Cross multiply
    1,143,866.88x = 1,578,607.20 × 660,519.36
  4. Step 4: Simplify right side
    1,143,866.88x = 1,042,700,617,435.39
  5. Step 5: Solve for x
    x = 1,042,700,617,435.39/1,143,866.88
  6. Step 6: Final answer
    x = 911,557.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.