Home / 914,370.24-1,261,851.40-521,895.38

Finding the Fourth Proportional to 914,370.24, 1,261,851.40 and 521,895.38

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Solution

The fourth proportional to 914,370.24, 1,261,851.40 and 521,895.38 is: 720,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,370.24 : 1,261,851.40 = 521,895.38 : x
  2. Step 2: Convert to fraction form
    914,370.24/1,261,851.40 = 521,895.38/x
  3. Step 3: Cross multiply
    914,370.24x = 1,261,851.40 × 521,895.38
  4. Step 4: Simplify right side
    914,370.24x = 658,554,415,906.53
  5. Step 5: Solve for x
    x = 658,554,415,906.53/914,370.24
  6. Step 6: Final answer
    x = 720,227.31

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1.5x scale

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.