Home / 939,805.90-1,409,696.64-229,840.10

Finding the Fourth Proportional to 939,805.90, 1,409,696.64 and 229,840.10

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Solution

The fourth proportional to 939,805.90, 1,409,696.64 and 229,840.10 is: 344,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,805.90 : 1,409,696.64 = 229,840.10 : x
  2. Step 2: Convert to fraction form
    939,805.90/1,409,696.64 = 229,840.10/x
  3. Step 3: Cross multiply
    939,805.90x = 1,409,696.64 × 229,840.10
  4. Step 4: Simplify right side
    939,805.90x = 324,004,816,707.26
  5. Step 5: Solve for x
    x = 324,004,816,707.26/939,805.90
  6. Step 6: Final answer
    x = 344,757.16

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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.