Home / 1,222,923.77-1,687,683.35-706,660.55

Finding the Fourth Proportional to 1,222,923.77, 1,687,683.35 and 706,660.55

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Solution

The fourth proportional to 1,222,923.77, 1,687,683.35 and 706,660.55 is: 975,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,923.77 : 1,687,683.35 = 706,660.55 : x
  2. Step 2: Convert to fraction form
    1,222,923.77/1,687,683.35 = 706,660.55/x
  3. Step 3: Cross multiply
    1,222,923.77x = 1,687,683.35 × 706,660.55
  4. Step 4: Simplify right side
    1,222,923.77x = 1,192,619,237,665.08
  5. Step 5: Solve for x
    x = 1,192,619,237,665.08/1,222,923.77
  6. Step 6: Final answer
    x = 975,219.61

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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.