Home / 1,292,104.26-1,938,377.79-439,085.70

Finding the Fourth Proportional to 1,292,104.26, 1,938,377.79 and 439,085.70

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Solution

The fourth proportional to 1,292,104.26, 1,938,377.79 and 439,085.70 is: 658,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,104.26 : 1,938,377.79 = 439,085.70 : x
  2. Step 2: Convert to fraction form
    1,292,104.26/1,938,377.79 = 439,085.70/x
  3. Step 3: Cross multiply
    1,292,104.26x = 1,938,377.79 × 439,085.70
  4. Step 4: Simplify right side
    1,292,104.26x = 851,113,968,786.60
  5. Step 5: Solve for x
    x = 851,113,968,786.60/1,292,104.26
  6. Step 6: Final answer
    x = 658,703.79

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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.