Home / 979,113.72-1,351,187.82-543,560.52

Finding the Fourth Proportional to 979,113.72, 1,351,187.82 and 543,560.52

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Solution

The fourth proportional to 979,113.72, 1,351,187.82 and 543,560.52 is: 750,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,113.72 : 1,351,187.82 = 543,560.52 : x
  2. Step 2: Convert to fraction form
    979,113.72/1,351,187.82 = 543,560.52/x
  3. Step 3: Cross multiply
    979,113.72x = 1,351,187.82 × 543,560.52
  4. Step 4: Simplify right side
    979,113.72x = 734,452,354,056.87
  5. Step 5: Solve for x
    x = 734,452,354,056.87/979,113.72
  6. Step 6: Final answer
    x = 750,119.56

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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.