Home / 1,640,494.16-2,263,888.19-915,372.44

Finding the Fourth Proportional to 1,640,494.16, 2,263,888.19 and 915,372.44

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Solution

The fourth proportional to 1,640,494.16, 2,263,888.19 and 915,372.44 is: 1,263,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,494.16 : 2,263,888.19 = 915,372.44 : x
  2. Step 2: Convert to fraction form
    1,640,494.16/2,263,888.19 = 915,372.44/x
  3. Step 3: Cross multiply
    1,640,494.16x = 2,263,888.19 × 915,372.44
  4. Step 4: Simplify right side
    1,640,494.16x = 2,072,300,847,336.47
  5. Step 5: Solve for x
    x = 2,072,300,847,336.47/1,640,494.16
  6. Step 6: Final answer
    x = 1,263,217.45

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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.