Home / 1,103,309.24-1,522,720.24-619,911.78

Finding the Fourth Proportional to 1,103,309.24, 1,522,720.24 and 619,911.78

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Solution

The fourth proportional to 1,103,309.24, 1,522,720.24 and 619,911.78 is: 855,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,309.24 : 1,522,720.24 = 619,911.78 : x
  2. Step 2: Convert to fraction form
    1,103,309.24/1,522,720.24 = 619,911.78/x
  3. Step 3: Cross multiply
    1,103,309.24x = 1,522,720.24 × 619,911.78
  4. Step 4: Simplify right side
    1,103,309.24x = 943,952,214,420.43
  5. Step 5: Solve for x
    x = 943,952,214,420.43/1,103,309.24
  6. Step 6: Final answer
    x = 855,564.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.