Home / 1,107,735.40-1,661,471.34-359,780.68

Finding the Fourth Proportional to 1,107,735.40, 1,661,471.34 and 359,780.68

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Solution

The fourth proportional to 1,107,735.40, 1,661,471.34 and 359,780.68 is: 539,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,735.40 : 1,661,471.34 = 359,780.68 : x
  2. Step 2: Convert to fraction form
    1,107,735.40/1,661,471.34 = 359,780.68/x
  3. Step 3: Cross multiply
    1,107,735.40x = 1,661,471.34 × 359,780.68
  4. Step 4: Simplify right side
    1,107,735.40x = 597,765,288,505.71
  5. Step 5: Solve for x
    x = 597,765,288,505.71/1,107,735.40
  6. Step 6: Final answer
    x = 539,628.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.