Home / 1,663,201.62-2,295,217.79-938,047.86

Finding the Fourth Proportional to 1,663,201.62, 2,295,217.79 and 938,047.86

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Solution

The fourth proportional to 1,663,201.62, 2,295,217.79 and 938,047.86 is: 1,294,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,201.62 : 2,295,217.79 = 938,047.86 : x
  2. Step 2: Convert to fraction form
    1,663,201.62/2,295,217.79 = 938,047.86/x
  3. Step 3: Cross multiply
    1,663,201.62x = 2,295,217.79 × 938,047.86
  4. Step 4: Simplify right side
    1,663,201.62x = 2,153,024,136,143.43
  5. Step 5: Solve for x
    x = 2,153,024,136,143.43/1,663,201.62
  6. Step 6: Final answer
    x = 1,294,505.80

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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.