Home / 1,663,977.69-2,296,242.45-938,892.87

Finding the Fourth Proportional to 1,663,977.69, 2,296,242.45 and 938,892.87

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Solution

The fourth proportional to 1,663,977.69, 2,296,242.45 and 938,892.87 is: 1,295,645.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,977.69 : 2,296,242.45 = 938,892.87 : x
  2. Step 2: Convert to fraction form
    1,663,977.69/2,296,242.45 = 938,892.87/x
  3. Step 3: Cross multiply
    1,663,977.69x = 2,296,242.45 × 938,892.87
  4. Step 4: Simplify right side
    1,663,977.69x = 2,155,925,664,096.33
  5. Step 5: Solve for x
    x = 2,155,925,664,096.33/1,663,977.69
  6. Step 6: Final answer
    x = 1,295,645.78

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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.