Home / 1,191,512.89-1,786,707.64-432,819.51

Finding the Fourth Proportional to 1,191,512.89, 1,786,707.64 and 432,819.51

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Solution

The fourth proportional to 1,191,512.89, 1,786,707.64 and 432,819.51 is: 649,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,512.89 : 1,786,707.64 = 432,819.51 : x
  2. Step 2: Convert to fraction form
    1,191,512.89/1,786,707.64 = 432,819.51/x
  3. Step 3: Cross multiply
    1,191,512.89x = 1,786,707.64 × 432,819.51
  4. Step 4: Simplify right side
    1,191,512.89x = 773,321,925,258.06
  5. Step 5: Solve for x
    x = 773,321,925,258.06/1,191,512.89
  6. Step 6: Final answer
    x = 649,025.23

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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.