Home / 1,663,876.85-2,295,952.56-938,682.23

Finding the Fourth Proportional to 1,663,876.85, 2,295,952.56 and 938,682.23

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Solution

The fourth proportional to 1,663,876.85, 2,295,952.56 and 938,682.23 is: 1,295,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,876.85 : 2,295,952.56 = 938,682.23 : x
  2. Step 2: Convert to fraction form
    1,663,876.85/2,295,952.56 = 938,682.23/x
  3. Step 3: Cross multiply
    1,663,876.85x = 2,295,952.56 × 938,682.23
  4. Step 4: Simplify right side
    1,663,876.85x = 2,155,169,857,515.25
  5. Step 5: Solve for x
    x = 2,155,169,857,515.25/1,663,876.85
  6. Step 6: Final answer
    x = 1,295,270.06

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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.