Home / 958,385.28-1,322,575.38-528,659.22

Finding the Fourth Proportional to 958,385.28, 1,322,575.38 and 528,659.22

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Solution

The fourth proportional to 958,385.28, 1,322,575.38 and 528,659.22 is: 729,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,385.28 : 1,322,575.38 = 528,659.22 : x
  2. Step 2: Convert to fraction form
    958,385.28/1,322,575.38 = 528,659.22/x
  3. Step 3: Cross multiply
    958,385.28x = 1,322,575.38 × 528,659.22
  4. Step 4: Simplify right side
    958,385.28x = 699,191,668,782.00
  5. Step 5: Solve for x
    x = 699,191,668,782.00/958,385.28
  6. Step 6: Final answer
    x = 729,551.76

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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.