Home / 1,293,336.25-1,938,798.09-439,824.62

Finding the Fourth Proportional to 1,293,336.25, 1,938,798.09 and 439,824.62

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Solution

The fourth proportional to 1,293,336.25, 1,938,798.09 and 439,824.62 is: 659,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,336.25 : 1,938,798.09 = 439,824.62 : x
  2. Step 2: Convert to fraction form
    1,293,336.25/1,938,798.09 = 439,824.62/x
  3. Step 3: Cross multiply
    1,293,336.25x = 1,938,798.09 × 439,824.62
  4. Step 4: Simplify right side
    1,293,336.25x = 852,731,138,037.97
  5. Step 5: Solve for x
    x = 852,731,138,037.97/1,293,336.25
  6. Step 6: Final answer
    x = 659,326.71

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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.