Home / 744,105.74-1,116,156.11-204,362.51

Finding the Fourth Proportional to 744,105.74, 1,116,156.11 and 204,362.51

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Solution

The fourth proportional to 744,105.74, 1,116,156.11 and 204,362.51 is: 306,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,105.74 : 1,116,156.11 = 204,362.51 : x
  2. Step 2: Convert to fraction form
    744,105.74/1,116,156.11 = 204,362.51/x
  3. Step 3: Cross multiply
    744,105.74x = 1,116,156.11 × 204,362.51
  4. Step 4: Simplify right side
    744,105.74x = 228,100,457,588.84
  5. Step 5: Solve for x
    x = 228,100,457,588.84/744,105.74
  6. Step 6: Final answer
    x = 306,543.07

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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.