Home / 957,788.24-1,321,807.02-528,067.40

Finding the Fourth Proportional to 957,788.24, 1,321,807.02 and 528,067.40

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Solution

The fourth proportional to 957,788.24, 1,321,807.02 and 528,067.40 is: 728,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,788.24 : 1,321,807.02 = 528,067.40 : x
  2. Step 2: Convert to fraction form
    957,788.24/1,321,807.02 = 528,067.40/x
  3. Step 3: Cross multiply
    957,788.24x = 1,321,807.02 × 528,067.40
  4. Step 4: Simplify right side
    957,788.24x = 698,003,196,353.15
  5. Step 5: Solve for x
    x = 698,003,196,353.15/957,788.24
  6. Step 6: Final answer
    x = 728,765.68

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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.