Home / 1,242,890.68-1,714,991.52-698,921.42

Finding the Fourth Proportional to 1,242,890.68, 1,714,991.52 and 698,921.42

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Solution

The fourth proportional to 1,242,890.68, 1,714,991.52 and 698,921.42 is: 964,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,890.68 : 1,714,991.52 = 698,921.42 : x
  2. Step 2: Convert to fraction form
    1,242,890.68/1,714,991.52 = 698,921.42/x
  3. Step 3: Cross multiply
    1,242,890.68x = 1,714,991.52 × 698,921.42
  4. Step 4: Simplify right side
    1,242,890.68x = 1,198,644,298,560.92
  5. Step 5: Solve for x
    x = 1,198,644,298,560.92/1,242,890.68
  6. Step 6: Final answer
    x = 964,400.42

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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.