Home / 1,129,022.20-1,558,068.32-619,771

Finding the Fourth Proportional to 1,129,022.20, 1,558,068.32 and 619,771

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Solution

The fourth proportional to 1,129,022.20, 1,558,068.32 and 619,771 is: 855,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,022.20 : 1,558,068.32 = 619,771 : x
  2. Step 2: Convert to fraction form
    1,129,022.20/1,558,068.32 = 619,771/x
  3. Step 3: Cross multiply
    1,129,022.20x = 1,558,068.32 × 619,771
  4. Step 4: Simplify right side
    1,129,022.20x = 965,645,560,754.72
  5. Step 5: Solve for x
    x = 965,645,560,754.72/1,129,022.20
  6. Step 6: Final answer
    x = 855,293.69

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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.