Home / 1,173,603.87-1,760,405.74-640,834.27

Finding the Fourth Proportional to 1,173,603.87, 1,760,405.74 and 640,834.27

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Solution

The fourth proportional to 1,173,603.87, 1,760,405.74 and 640,834.27 is: 961,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,603.87 : 1,760,405.74 = 640,834.27 : x
  2. Step 2: Convert to fraction form
    1,173,603.87/1,760,405.74 = 640,834.27/x
  3. Step 3: Cross multiply
    1,173,603.87x = 1,760,405.74 × 640,834.27
  4. Step 4: Simplify right side
    1,173,603.87x = 1,128,128,321,293.61
  5. Step 5: Solve for x
    x = 1,128,128,321,293.61/1,173,603.87
  6. Step 6: Final answer
    x = 961,251.36

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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.