Home / 1,663,763.44-2,295,986.87-938,611.19

Finding the Fourth Proportional to 1,663,763.44, 2,295,986.87 and 938,611.19

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Solution

The fourth proportional to 1,663,763.44, 2,295,986.87 and 938,611.19 is: 1,295,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,763.44 : 2,295,986.87 = 938,611.19 : x
  2. Step 2: Convert to fraction form
    1,663,763.44/2,295,986.87 = 938,611.19/x
  3. Step 3: Cross multiply
    1,663,763.44x = 2,295,986.87 × 938,611.19
  4. Step 4: Simplify right side
    1,663,763.44x = 2,155,038,971,081.88
  5. Step 5: Solve for x
    x = 2,155,038,971,081.88/1,663,763.44
  6. Step 6: Final answer
    x = 1,295,279.68

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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.