Home / 1,191,552.90-1,786,767.77-432,859.38

Finding the Fourth Proportional to 1,191,552.90, 1,786,767.77 and 432,859.38

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Solution

The fourth proportional to 1,191,552.90, 1,786,767.77 and 432,859.38 is: 649,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,552.90 : 1,786,767.77 = 432,859.38 : x
  2. Step 2: Convert to fraction form
    1,191,552.90/1,786,767.77 = 432,859.38/x
  3. Step 3: Cross multiply
    1,191,552.90x = 1,786,767.77 × 432,859.38
  4. Step 4: Simplify right side
    1,191,552.90x = 773,419,186,961.89
  5. Step 5: Solve for x
    x = 773,419,186,961.89/1,191,552.90
  6. Step 6: Final answer
    x = 649,085.06

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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.