Home / 1,397,729.33-1,928,845.13-785,882.66

Finding the Fourth Proportional to 1,397,729.33, 1,928,845.13 and 785,882.66

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Solution

The fourth proportional to 1,397,729.33, 1,928,845.13 and 785,882.66 is: 1,084,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,729.33 : 1,928,845.13 = 785,882.66 : x
  2. Step 2: Convert to fraction form
    1,397,729.33/1,928,845.13 = 785,882.66/x
  3. Step 3: Cross multiply
    1,397,729.33x = 1,928,845.13 × 785,882.66
  4. Step 4: Simplify right side
    1,397,729.33x = 1,515,845,941,492.45
  5. Step 5: Solve for x
    x = 1,515,845,941,492.45/1,397,729.33
  6. Step 6: Final answer
    x = 1,084,506.07

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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.