Home / 1,663,243.92-2,294,752.67-1,017,991.44

Finding the Fourth Proportional to 1,663,243.92, 2,294,752.67 and 1,017,991.44

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Solution

The fourth proportional to 1,663,243.92, 2,294,752.67 and 1,017,991.44 is: 1,404,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,243.92 : 2,294,752.67 = 1,017,991.44 : x
  2. Step 2: Convert to fraction form
    1,663,243.92/2,294,752.67 = 1,017,991.44/x
  3. Step 3: Cross multiply
    1,663,243.92x = 2,294,752.67 × 1,017,991.44
  4. Step 4: Simplify right side
    1,663,243.92x = 2,336,038,574,977.14
  5. Step 5: Solve for x
    x = 2,336,038,574,977.14/1,663,243.92
  6. Step 6: Final answer
    x = 1,404,507.51

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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.