Home / 1,144,607.72-1,718,596.86-640,157

Finding the Fourth Proportional to 1,144,607.72, 1,718,596.86 and 640,157

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Solution

The fourth proportional to 1,144,607.72, 1,718,596.86 and 640,157 is: 961,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,607.72 : 1,718,596.86 = 640,157 : x
  2. Step 2: Convert to fraction form
    1,144,607.72/1,718,596.86 = 640,157/x
  3. Step 3: Cross multiply
    1,144,607.72x = 1,718,596.86 × 640,157
  4. Step 4: Simplify right side
    1,144,607.72x = 1,100,171,810,107.02
  5. Step 5: Solve for x
    x = 1,100,171,810,107.02/1,144,607.72
  6. Step 6: Final answer
    x = 961,178.04

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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.