Home / 950,255.57-1,311,356.46-520,538.69

Finding the Fourth Proportional to 950,255.57, 1,311,356.46 and 520,538.69

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Solution

The fourth proportional to 950,255.57, 1,311,356.46 and 520,538.69 is: 718,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,255.57 : 1,311,356.46 = 520,538.69 : x
  2. Step 2: Convert to fraction form
    950,255.57/1,311,356.46 = 520,538.69/x
  3. Step 3: Cross multiply
    950,255.57x = 1,311,356.46 × 520,538.69
  4. Step 4: Simplify right side
    950,255.57x = 682,611,773,811.44
  5. Step 5: Solve for x
    x = 682,611,773,811.44/950,255.57
  6. Step 6: Final answer
    x = 718,345.46

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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.