Home / 957,919.32-1,321,900.32-528,199.32

Finding the Fourth Proportional to 957,919.32, 1,321,900.32 and 528,199.32

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Solution

The fourth proportional to 957,919.32, 1,321,900.32 and 528,199.32 is: 728,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,919.32 : 1,321,900.32 = 528,199.32 : x
  2. Step 2: Convert to fraction form
    957,919.32/1,321,900.32 = 528,199.32/x
  3. Step 3: Cross multiply
    957,919.32x = 1,321,900.32 × 528,199.32
  4. Step 4: Simplify right side
    957,919.32x = 698,226,850,131.78
  5. Step 5: Solve for x
    x = 698,226,850,131.78/957,919.32
  6. Step 6: Final answer
    x = 728,899.43

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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.