Home / 439,763.45-607,370.81-296,274.38

Finding the Fourth Proportional to 439,763.45, 607,370.81 and 296,274.38

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Solution

The fourth proportional to 439,763.45, 607,370.81 and 296,274.38 is: 409,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,763.45 : 607,370.81 = 296,274.38 : x
  2. Step 2: Convert to fraction form
    439,763.45/607,370.81 = 296,274.38/x
  3. Step 3: Cross multiply
    439,763.45x = 607,370.81 × 296,274.38
  4. Step 4: Simplify right side
    439,763.45x = 179,948,405,644.62
  5. Step 5: Solve for x
    x = 179,948,405,644.62/439,763.45
  6. Step 6: Final answer
    x = 409,193.64

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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.