Home / 1,191,520.82-1,786,276.74-517,094.10

Finding the Fourth Proportional to 1,191,520.82, 1,786,276.74 and 517,094.10

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Solution

The fourth proportional to 1,191,520.82, 1,786,276.74 and 517,094.10 is: 775,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,520.82 : 1,786,276.74 = 517,094.10 : x
  2. Step 2: Convert to fraction form
    1,191,520.82/1,786,276.74 = 517,094.10/x
  3. Step 3: Cross multiply
    1,191,520.82x = 1,786,276.74 × 517,094.10
  4. Step 4: Simplify right side
    1,191,520.82x = 923,673,154,289.85
  5. Step 5: Solve for x
    x = 923,673,154,289.85/1,191,520.82
  6. Step 6: Final answer
    x = 775,205.22

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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.