Home / 1,123,500.33-1,550,231.16-664,634.24

Finding the Fourth Proportional to 1,123,500.33, 1,550,231.16 and 664,634.24

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Solution

The fourth proportional to 1,123,500.33, 1,550,231.16 and 664,634.24 is: 917,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,500.33 : 1,550,231.16 = 664,634.24 : x
  2. Step 2: Convert to fraction form
    1,123,500.33/1,550,231.16 = 664,634.24/x
  3. Step 3: Cross multiply
    1,123,500.33x = 1,550,231.16 × 664,634.24
  4. Step 4: Simplify right side
    1,123,500.33x = 1,030,336,718,748.65
  5. Step 5: Solve for x
    x = 1,030,336,718,748.65/1,123,500.33
  6. Step 6: Final answer
    x = 917,077.36

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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.