Home / 1,385,792.17-1,912,447.71-797,090.53

Finding the Fourth Proportional to 1,385,792.17, 1,912,447.71 and 797,090.53

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Solution

The fourth proportional to 1,385,792.17, 1,912,447.71 and 797,090.53 is: 1,100,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,792.17 : 1,912,447.71 = 797,090.53 : x
  2. Step 2: Convert to fraction form
    1,385,792.17/1,912,447.71 = 797,090.53/x
  3. Step 3: Cross multiply
    1,385,792.17x = 1,912,447.71 × 797,090.53
  4. Step 4: Simplify right side
    1,385,792.17x = 1,524,393,958,761.19
  5. Step 5: Solve for x
    x = 1,524,393,958,761.19/1,385,792.17
  6. Step 6: Final answer
    x = 1,100,016.29

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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.