Home / 1,857,398.65-2,786,374.82-659,220.59

Finding the Fourth Proportional to 1,857,398.65, 2,786,374.82 and 659,220.59

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Solution

The fourth proportional to 1,857,398.65, 2,786,374.82 and 659,220.59 is: 988,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,398.65 : 2,786,374.82 = 659,220.59 : x
  2. Step 2: Convert to fraction form
    1,857,398.65/2,786,374.82 = 659,220.59/x
  3. Step 3: Cross multiply
    1,857,398.65x = 2,786,374.82 × 659,220.59
  4. Step 4: Simplify right side
    1,857,398.65x = 1,836,835,661,415.53
  5. Step 5: Solve for x
    x = 1,836,835,661,415.53/1,857,398.65
  6. Step 6: Final answer
    x = 988,929.15

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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.