Home / 1,663,676.44-2,295,979.78-938,259.47

Finding the Fourth Proportional to 1,663,676.44, 2,295,979.78 and 938,259.47

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Solution

The fourth proportional to 1,663,676.44, 2,295,979.78 and 938,259.47 is: 1,294,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,676.44 : 2,295,979.78 = 938,259.47 : x
  2. Step 2: Convert to fraction form
    1,663,676.44/2,295,979.78 = 938,259.47/x
  3. Step 3: Cross multiply
    1,663,676.44x = 2,295,979.78 × 938,259.47
  4. Step 4: Simplify right side
    1,663,676.44x = 2,154,224,771,513.52
  5. Step 5: Solve for x
    x = 2,154,224,771,513.52/1,663,676.44
  6. Step 6: Final answer
    x = 1,294,858.01

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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.