Home / 988,845.75-1,482,388.97-357,619.23

Finding the Fourth Proportional to 988,845.75, 1,482,388.97 and 357,619.23

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Solution

The fourth proportional to 988,845.75, 1,482,388.97 and 357,619.23 is: 536,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,845.75 : 1,482,388.97 = 357,619.23 : x
  2. Step 2: Convert to fraction form
    988,845.75/1,482,388.97 = 357,619.23/x
  3. Step 3: Cross multiply
    988,845.75x = 1,482,388.97 × 357,619.23
  4. Step 4: Simplify right side
    988,845.75x = 530,130,800,223.80
  5. Step 5: Solve for x
    x = 530,130,800,223.80/988,845.75
  6. Step 6: Final answer
    x = 536,110.71

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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.