Home / 755,109.95-1,132,840.25-249,640.43

Finding the Fourth Proportional to 755,109.95, 1,132,840.25 and 249,640.43

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Solution

The fourth proportional to 755,109.95, 1,132,840.25 and 249,640.43 is: 374,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,109.95 : 1,132,840.25 = 249,640.43 : x
  2. Step 2: Convert to fraction form
    755,109.95/1,132,840.25 = 249,640.43/x
  3. Step 3: Cross multiply
    755,109.95x = 1,132,840.25 × 249,640.43
  4. Step 4: Simplify right side
    755,109.95x = 282,802,727,131.31
  5. Step 5: Solve for x
    x = 282,802,727,131.31/755,109.95
  6. Step 6: Final answer
    x = 374,518.61

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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.