Home / 1,086,124.65-1,628,694.90-411,981.90

Finding the Fourth Proportional to 1,086,124.65, 1,628,694.90 and 411,981.90

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Solution

The fourth proportional to 1,086,124.65, 1,628,694.90 and 411,981.90 is: 617,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,124.65 : 1,628,694.90 = 411,981.90 : x
  2. Step 2: Convert to fraction form
    1,086,124.65/1,628,694.90 = 411,981.90/x
  3. Step 3: Cross multiply
    1,086,124.65x = 1,628,694.90 × 411,981.90
  4. Step 4: Simplify right side
    1,086,124.65x = 670,992,819,422.31
  5. Step 5: Solve for x
    x = 670,992,819,422.31/1,086,124.65
  6. Step 6: Final answer
    x = 617,786.20

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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.