Home / 979,115.72-1,351,190.58-543,562.52

Finding the Fourth Proportional to 979,115.72, 1,351,190.58 and 543,562.52

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Solution

The fourth proportional to 979,115.72, 1,351,190.58 and 543,562.52 is: 750,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,115.72 : 1,351,190.58 = 543,562.52 : x
  2. Step 2: Convert to fraction form
    979,115.72/1,351,190.58 = 543,562.52/x
  3. Step 3: Cross multiply
    979,115.72x = 1,351,190.58 × 543,562.52
  4. Step 4: Simplify right side
    979,115.72x = 734,456,556,665.06
  5. Step 5: Solve for x
    x = 734,456,556,665.06/979,115.72
  6. Step 6: Final answer
    x = 750,122.32

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1.5x scale

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.