Home / 1,191,491.72-1,786,233.04-517,065.01

Finding the Fourth Proportional to 1,191,491.72, 1,786,233.04 and 517,065.01

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Solution

The fourth proportional to 1,191,491.72, 1,786,233.04 and 517,065.01 is: 775,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,491.72 : 1,786,233.04 = 517,065.01 : x
  2. Step 2: Convert to fraction form
    1,191,491.72/1,786,233.04 = 517,065.01/x
  3. Step 3: Cross multiply
    1,191,491.72x = 1,786,233.04 × 517,065.01
  4. Step 4: Simplify right side
    1,191,491.72x = 923,598,604,689.93
  5. Step 5: Solve for x
    x = 923,598,604,689.93/1,191,491.72
  6. Step 6: Final answer
    x = 775,161.58

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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.