Home / 979,535.80-1,351,793.26-543,960.48

Finding the Fourth Proportional to 979,535.80, 1,351,793.26 and 543,960.48

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Solution

The fourth proportional to 979,535.80, 1,351,793.26 and 543,960.48 is: 750,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,535.80 : 1,351,793.26 = 543,960.48 : x
  2. Step 2: Convert to fraction form
    979,535.80/1,351,793.26 = 543,960.48/x
  3. Step 3: Cross multiply
    979,535.80x = 1,351,793.26 × 543,960.48
  4. Step 4: Simplify right side
    979,535.80x = 735,322,110,570.37
  5. Step 5: Solve for x
    x = 735,322,110,570.37/979,535.80
  6. Step 6: Final answer
    x = 750,684.26

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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.