Home / 1,109,522.58-1,531,126.20-619,499.64

Finding the Fourth Proportional to 1,109,522.58, 1,531,126.20 and 619,499.64

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Solution

The fourth proportional to 1,109,522.58, 1,531,126.20 and 619,499.64 is: 854,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,522.58 : 1,531,126.20 = 619,499.64 : x
  2. Step 2: Convert to fraction form
    1,109,522.58/1,531,126.20 = 619,499.64/x
  3. Step 3: Cross multiply
    1,109,522.58x = 1,531,126.20 × 619,499.64
  4. Step 4: Simplify right side
    1,109,522.58x = 948,532,129,694.57
  5. Step 5: Solve for x
    x = 948,532,129,694.57/1,109,522.58
  6. Step 6: Final answer
    x = 854,901.15

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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.