Home / 1,222,919.64-1,687,677.66-706,656.42

Finding the Fourth Proportional to 1,222,919.64, 1,687,677.66 and 706,656.42

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Solution

The fourth proportional to 1,222,919.64, 1,687,677.66 and 706,656.42 is: 975,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,919.64 : 1,687,677.66 = 706,656.42 : x
  2. Step 2: Convert to fraction form
    1,222,919.64/1,687,677.66 = 706,656.42/x
  3. Step 3: Cross multiply
    1,222,919.64x = 1,687,677.66 × 706,656.42
  4. Step 4: Simplify right side
    1,222,919.64x = 1,192,608,253,329.58
  5. Step 5: Solve for x
    x = 1,192,608,253,329.58/1,222,919.64
  6. Step 6: Final answer
    x = 975,213.92

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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.