Home / 788,293.20-1,087,845.66-448,761

Finding the Fourth Proportional to 788,293.20, 1,087,845.66 and 448,761

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Solution

The fourth proportional to 788,293.20, 1,087,845.66 and 448,761 is: 619,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,293.20 : 1,087,845.66 = 448,761 : x
  2. Step 2: Convert to fraction form
    788,293.20/1,087,845.66 = 448,761/x
  3. Step 3: Cross multiply
    788,293.20x = 1,087,845.66 × 448,761
  4. Step 4: Simplify right side
    788,293.20x = 488,182,706,227.26
  5. Step 5: Solve for x
    x = 488,182,706,227.26/788,293.20
  6. Step 6: Final answer
    x = 619,290.77

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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.