Home / 1,087,759.04-1,631,392.42-413,599.80

Finding the Fourth Proportional to 1,087,759.04, 1,631,392.42 and 413,599.80

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Solution

The fourth proportional to 1,087,759.04, 1,631,392.42 and 413,599.80 is: 620,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,759.04 : 1,631,392.42 = 413,599.80 : x
  2. Step 2: Convert to fraction form
    1,087,759.04/1,631,392.42 = 413,599.80/x
  3. Step 3: Cross multiply
    1,087,759.04x = 1,631,392.42 × 413,599.80
  4. Step 4: Simplify right side
    1,087,759.04x = 674,743,578,633.52
  5. Step 5: Solve for x
    x = 674,743,578,633.52/1,087,759.04
  6. Step 6: Final answer
    x = 620,306.11

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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.