Home / 415,838.49-573,716.16-339,225.15

Finding the Fourth Proportional to 415,838.49, 573,716.16 and 339,225.15

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Solution

The fourth proportional to 415,838.49, 573,716.16 and 339,225.15 is: 468,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,838.49 : 573,716.16 = 339,225.15 : x
  2. Step 2: Convert to fraction form
    415,838.49/573,716.16 = 339,225.15/x
  3. Step 3: Cross multiply
    415,838.49x = 573,716.16 × 339,225.15
  4. Step 4: Simplify right side
    415,838.49x = 194,618,947,564.84
  5. Step 5: Solve for x
    x = 194,618,947,564.84/415,838.49
  6. Step 6: Final answer
    x = 468,015.71

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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.