Home / 1,055,167.05-1,456,157.66-647,494.16

Finding the Fourth Proportional to 1,055,167.05, 1,456,157.66 and 647,494.16

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Solution

The fourth proportional to 1,055,167.05, 1,456,157.66 and 647,494.16 is: 893,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,167.05 : 1,456,157.66 = 647,494.16 : x
  2. Step 2: Convert to fraction form
    1,055,167.05/1,456,157.66 = 647,494.16/x
  3. Step 3: Cross multiply
    1,055,167.05x = 1,456,157.66 × 647,494.16
  4. Step 4: Simplify right side
    1,055,167.05x = 942,853,570,371.01
  5. Step 5: Solve for x
    x = 942,853,570,371.01/1,055,167.05
  6. Step 6: Final answer
    x = 893,558.58

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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.