Home / 1,277,268.44-1,915,947.90-317,729.04

Finding the Fourth Proportional to 1,277,268.44, 1,915,947.90 and 317,729.04

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Solution

The fourth proportional to 1,277,268.44, 1,915,947.90 and 317,729.04 is: 476,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,268.44 : 1,915,947.90 = 317,729.04 : x
  2. Step 2: Convert to fraction form
    1,277,268.44/1,915,947.90 = 317,729.04/x
  3. Step 3: Cross multiply
    1,277,268.44x = 1,915,947.90 × 317,729.04
  4. Step 4: Simplify right side
    1,277,268.44x = 608,752,286,957.02
  5. Step 5: Solve for x
    x = 608,752,286,957.02/1,277,268.44
  6. Step 6: Final answer
    x = 476,604.82

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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.