Home / 1,191,505.68-1,786,254.66-517,079.16

Finding the Fourth Proportional to 1,191,505.68, 1,786,254.66 and 517,079.16

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Solution

The fourth proportional to 1,191,505.68, 1,786,254.66 and 517,079.16 is: 775,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,505.68 : 1,786,254.66 = 517,079.16 : x
  2. Step 2: Convert to fraction form
    1,191,505.68/1,786,254.66 = 517,079.16/x
  3. Step 3: Cross multiply
    1,191,505.68x = 1,786,254.66 × 517,079.16
  4. Step 4: Simplify right side
    1,191,505.68x = 923,635,059,138.89
  5. Step 5: Solve for x
    x = 923,635,059,138.89/1,191,505.68
  6. Step 6: Final answer
    x = 775,183.09

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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.