Home / 1,224,708.96-1,690,156.05-680,853.83

Finding the Fourth Proportional to 1,224,708.96, 1,690,156.05 and 680,853.83

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Solution

The fourth proportional to 1,224,708.96, 1,690,156.05 and 680,853.83 is: 939,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,708.96 : 1,690,156.05 = 680,853.83 : x
  2. Step 2: Convert to fraction form
    1,224,708.96/1,690,156.05 = 680,853.83/x
  3. Step 3: Cross multiply
    1,224,708.96x = 1,690,156.05 × 680,853.83
  4. Step 4: Simplify right side
    1,224,708.96x = 1,150,749,211,489.39
  5. Step 5: Solve for x
    x = 1,150,749,211,489.39/1,224,708.96
  6. Step 6: Final answer
    x = 939,610.35

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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.