Home / 1,259,468.51-1,738,066.43-686,512.58

Finding the Fourth Proportional to 1,259,468.51, 1,738,066.43 and 686,512.58

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Solution

The fourth proportional to 1,259,468.51, 1,738,066.43 and 686,512.58 is: 947,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,468.51 : 1,738,066.43 = 686,512.58 : x
  2. Step 2: Convert to fraction form
    1,259,468.51/1,738,066.43 = 686,512.58/x
  3. Step 3: Cross multiply
    1,259,468.51x = 1,738,066.43 × 686,512.58
  4. Step 4: Simplify right side
    1,259,468.51x = 1,193,204,465,638.13
  5. Step 5: Solve for x
    x = 1,193,204,465,638.13/1,259,468.51
  6. Step 6: Final answer
    x = 947,387.30

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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.