Home / 1,103,215.80-1,522,580.94-619,781.88

Finding the Fourth Proportional to 1,103,215.80, 1,522,580.94 and 619,781.88

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Solution

The fourth proportional to 1,103,215.80, 1,522,580.94 and 619,781.88 is: 855,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,215.80 : 1,522,580.94 = 619,781.88 : x
  2. Step 2: Convert to fraction form
    1,103,215.80/1,522,580.94 = 619,781.88/x
  3. Step 3: Cross multiply
    1,103,215.80x = 1,522,580.94 × 619,781.88
  4. Step 4: Simplify right side
    1,103,215.80x = 943,668,077,445.37
  5. Step 5: Solve for x
    x = 943,668,077,445.37/1,103,215.80
  6. Step 6: Final answer
    x = 855,379.41

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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.