Home / 1,623,756.96-2,240,788.86-898,654.68

Finding the Fourth Proportional to 1,623,756.96, 2,240,788.86 and 898,654.68

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Solution

The fourth proportional to 1,623,756.96, 2,240,788.86 and 898,654.68 is: 1,240,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,756.96 : 2,240,788.86 = 898,654.68 : x
  2. Step 2: Convert to fraction form
    1,623,756.96/2,240,788.86 = 898,654.68/x
  3. Step 3: Cross multiply
    1,623,756.96x = 2,240,788.86 × 898,654.68
  4. Step 4: Simplify right side
    1,623,756.96x = 2,013,695,395,930.86
  5. Step 5: Solve for x
    x = 2,013,695,395,930.86/1,623,756.96
  6. Step 6: Final answer
    x = 1,240,145.81

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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.