Home / 1,056,147.25-1,584,418.08-479,811

Finding the Fourth Proportional to 1,056,147.25, 1,584,418.08 and 479,811

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Solution

The fourth proportional to 1,056,147.25, 1,584,418.08 and 479,811 is: 719,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,147.25 : 1,584,418.08 = 479,811 : x
  2. Step 2: Convert to fraction form
    1,056,147.25/1,584,418.08 = 479,811/x
  3. Step 3: Cross multiply
    1,056,147.25x = 1,584,418.08 × 479,811
  4. Step 4: Simplify right side
    1,056,147.25x = 760,221,223,382.88
  5. Step 5: Solve for x
    x = 760,221,223,382.88/1,056,147.25
  6. Step 6: Final answer
    x = 719,806.09

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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.