Home / 1,728,907.52-2,591,587.68-663,662.72

Finding the Fourth Proportional to 1,728,907.52, 2,591,587.68 and 663,662.72

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Solution

The fourth proportional to 1,728,907.52, 2,591,587.68 and 663,662.72 is: 994,813.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,907.52 : 2,591,587.68 = 663,662.72 : x
  2. Step 2: Convert to fraction form
    1,728,907.52/2,591,587.68 = 663,662.72/x
  3. Step 3: Cross multiply
    1,728,907.52x = 2,591,587.68 × 663,662.72
  4. Step 4: Simplify right side
    1,728,907.52x = 1,719,940,128,827.29
  5. Step 5: Solve for x
    x = 1,719,940,128,827.29/1,728,907.52
  6. Step 6: Final answer
    x = 994,813.26

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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.