Home / 1,663,878.35-2,295,954.63-938,683.73

Finding the Fourth Proportional to 1,663,878.35, 2,295,954.63 and 938,683.73

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Solution

The fourth proportional to 1,663,878.35, 2,295,954.63 and 938,683.73 is: 1,295,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,878.35 : 2,295,954.63 = 938,683.73 : x
  2. Step 2: Convert to fraction form
    1,663,878.35/2,295,954.63 = 938,683.73/x
  3. Step 3: Cross multiply
    1,663,878.35x = 2,295,954.63 × 938,683.73
  4. Step 4: Simplify right side
    1,663,878.35x = 2,155,175,244,519.40
  5. Step 5: Solve for x
    x = 2,155,175,244,519.40/1,663,878.35
  6. Step 6: Final answer
    x = 1,295,272.13

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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.