Home / 1,191,511.68-1,786,263.66-517,085.16

Finding the Fourth Proportional to 1,191,511.68, 1,786,263.66 and 517,085.16

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Solution

The fourth proportional to 1,191,511.68, 1,786,263.66 and 517,085.16 is: 775,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,511.68 : 1,786,263.66 = 517,085.16 : x
  2. Step 2: Convert to fraction form
    1,191,511.68/1,786,263.66 = 517,085.16/x
  3. Step 3: Cross multiply
    1,191,511.68x = 1,786,263.66 × 517,085.16
  4. Step 4: Simplify right side
    1,191,511.68x = 923,650,430,433.29
  5. Step 5: Solve for x
    x = 923,650,430,433.29/1,191,511.68
  6. Step 6: Final answer
    x = 775,192.09

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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.