Home / 1,191,506.18-1,786,255.41-517,079.66

Finding the Fourth Proportional to 1,191,506.18, 1,786,255.41 and 517,079.66

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Solution

The fourth proportional to 1,191,506.18, 1,786,255.41 and 517,079.66 is: 775,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,506.18 : 1,786,255.41 = 517,079.66 : x
  2. Step 2: Convert to fraction form
    1,191,506.18/1,786,255.41 = 517,079.66/x
  3. Step 3: Cross multiply
    1,191,506.18x = 1,786,255.41 × 517,079.66
  4. Step 4: Simplify right side
    1,191,506.18x = 923,636,340,075.96
  5. Step 5: Solve for x
    x = 923,636,340,075.96/1,191,506.18
  6. Step 6: Final answer
    x = 775,183.84

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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.