Home / 1,143,929.92-1,578,698.04-660,515.44

Finding the Fourth Proportional to 1,143,929.92, 1,578,698.04 and 660,515.44

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Solution

The fourth proportional to 1,143,929.92, 1,578,698.04 and 660,515.44 is: 911,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,929.92 : 1,578,698.04 = 660,515.44 : x
  2. Step 2: Convert to fraction form
    1,143,929.92/1,578,698.04 = 660,515.44/x
  3. Step 3: Cross multiply
    1,143,929.92x = 1,578,698.04 × 660,515.44
  4. Step 4: Simplify right side
    1,143,929.92x = 1,042,754,430,517.74
  5. Step 5: Solve for x
    x = 1,042,754,430,517.74/1,143,929.92
  6. Step 6: Final answer
    x = 911,554.47

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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.