Home / 1,206,416.09-1,809,884.52-407,679.95

Finding the Fourth Proportional to 1,206,416.09, 1,809,884.52 and 407,679.95

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Solution

The fourth proportional to 1,206,416.09, 1,809,884.52 and 407,679.95 is: 611,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,416.09 : 1,809,884.52 = 407,679.95 : x
  2. Step 2: Convert to fraction form
    1,206,416.09/1,809,884.52 = 407,679.95/x
  3. Step 3: Cross multiply
    1,206,416.09x = 1,809,884.52 × 407,679.95
  4. Step 4: Simplify right side
    1,206,416.09x = 737,853,635,144.09
  5. Step 5: Solve for x
    x = 737,853,635,144.09/1,206,416.09
  6. Step 6: Final answer
    x = 611,607.92

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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.