Home / 1,191,707.92-1,786,999.20-433,020.88

Finding the Fourth Proportional to 1,191,707.92, 1,786,999.20 and 433,020.88

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Solution

The fourth proportional to 1,191,707.92, 1,786,999.20 and 433,020.88 is: 649,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,707.92 : 1,786,999.20 = 433,020.88 : x
  2. Step 2: Convert to fraction form
    1,191,707.92/1,786,999.20 = 433,020.88/x
  3. Step 3: Cross multiply
    1,191,707.92x = 1,786,999.20 × 433,020.88
  4. Step 4: Simplify right side
    1,191,707.92x = 773,807,966,143.30
  5. Step 5: Solve for x
    x = 773,807,966,143.30/1,191,707.92
  6. Step 6: Final answer
    x = 649,326.86

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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.