Home / 1,427,799.38-1,970,090.19-816,145.94

Finding the Fourth Proportional to 1,427,799.38, 1,970,090.19 and 816,145.94

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Solution

The fourth proportional to 1,427,799.38, 1,970,090.19 and 816,145.94 is: 1,126,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,799.38 : 1,970,090.19 = 816,145.94 : x
  2. Step 2: Convert to fraction form
    1,427,799.38/1,970,090.19 = 816,145.94/x
  3. Step 3: Cross multiply
    1,427,799.38x = 1,970,090.19 × 816,145.94
  4. Step 4: Simplify right side
    1,427,799.38x = 1,607,881,110,002.33
  5. Step 5: Solve for x
    x = 1,607,881,110,002.33/1,427,799.38
  6. Step 6: Final answer
    x = 1,126,125.37

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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.