Home / 404,302.09-557,940.78-223,021.66

Finding the Fourth Proportional to 404,302.09, 557,940.78 and 223,021.66

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Solution

The fourth proportional to 404,302.09, 557,940.78 and 223,021.66 is: 307,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,302.09 : 557,940.78 = 223,021.66 : x
  2. Step 2: Convert to fraction form
    404,302.09/557,940.78 = 223,021.66/x
  3. Step 3: Cross multiply
    404,302.09x = 557,940.78 × 223,021.66
  4. Step 4: Simplify right side
    404,302.09x = 124,432,878,937.30
  5. Step 5: Solve for x
    x = 124,432,878,937.30/404,302.09
  6. Step 6: Final answer
    x = 307,772.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.