Home / 1,191,520.31-1,786,275.99-517,093.60

Finding the Fourth Proportional to 1,191,520.31, 1,786,275.99 and 517,093.60

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Solution

The fourth proportional to 1,191,520.31, 1,786,275.99 and 517,093.60 is: 775,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,520.31 : 1,786,275.99 = 517,093.60 : x
  2. Step 2: Convert to fraction form
    1,191,520.31/1,786,275.99 = 517,093.60/x
  3. Step 3: Cross multiply
    1,191,520.31x = 1,786,275.99 × 517,093.60
  4. Step 4: Simplify right side
    1,191,520.31x = 923,671,876,122.34
  5. Step 5: Solve for x
    x = 923,671,876,122.34/1,191,520.31
  6. Step 6: Final answer
    x = 775,204.47

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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.