Home / 982,268.92-1,355,409.86-619,555.78

Finding the Fourth Proportional to 982,268.92, 1,355,409.86 and 619,555.78

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Solution

The fourth proportional to 982,268.92, 1,355,409.86 and 619,555.78 is: 854,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,268.92 : 1,355,409.86 = 619,555.78 : x
  2. Step 2: Convert to fraction form
    982,268.92/1,355,409.86 = 619,555.78/x
  3. Step 3: Cross multiply
    982,268.92x = 1,355,409.86 × 619,555.78
  4. Step 4: Simplify right side
    982,268.92x = 839,752,013,031.99
  5. Step 5: Solve for x
    x = 839,752,013,031.99/982,268.92
  6. Step 6: Final answer
    x = 854,910.50

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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.