Home / 744,161.94-1,116,235.62-211,612.86

Finding the Fourth Proportional to 744,161.94, 1,116,235.62 and 211,612.86

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Solution

The fourth proportional to 744,161.94, 1,116,235.62 and 211,612.86 is: 317,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,161.94 : 1,116,235.62 = 211,612.86 : x
  2. Step 2: Convert to fraction form
    744,161.94/1,116,235.62 = 211,612.86/x
  3. Step 3: Cross multiply
    744,161.94x = 1,116,235.62 × 211,612.86
  4. Step 4: Simplify right side
    744,161.94x = 236,209,811,982.07
  5. Step 5: Solve for x
    x = 236,209,811,982.07/744,161.94
  6. Step 6: Final answer
    x = 317,417.22

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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.