Home / 439,819.33-606,637.69-403,637.64

Finding the Fourth Proportional to 439,819.33, 606,637.69 and 403,637.64

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Solution

The fourth proportional to 439,819.33, 606,637.69 and 403,637.64 is: 556,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,819.33 : 606,637.69 = 403,637.64 : x
  2. Step 2: Convert to fraction form
    439,819.33/606,637.69 = 403,637.64/x
  3. Step 3: Cross multiply
    439,819.33x = 606,637.69 × 403,637.64
  4. Step 4: Simplify right side
    439,819.33x = 244,861,805,526.65
  5. Step 5: Solve for x
    x = 244,861,805,526.65/439,819.33
  6. Step 6: Final answer
    x = 556,732.71

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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.