Home / 808,404.10-1,212,606.15-239,805.70

Finding the Fourth Proportional to 808,404.10, 1,212,606.15 and 239,805.70

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Solution

The fourth proportional to 808,404.10, 1,212,606.15 and 239,805.70 is: 359,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,404.10 : 1,212,606.15 = 239,805.70 : x
  2. Step 2: Convert to fraction form
    808,404.10/1,212,606.15 = 239,805.70/x
  3. Step 3: Cross multiply
    808,404.10x = 1,212,606.15 × 239,805.70
  4. Step 4: Simplify right side
    808,404.10x = 290,789,866,625.06
  5. Step 5: Solve for x
    x = 290,789,866,625.06/808,404.10
  6. Step 6: Final answer
    x = 359,708.55

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Similar ratio
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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.