Home / 957,927.87-1,321,910.28-528,226.11

Finding the Fourth Proportional to 957,927.87, 1,321,910.28 and 528,226.11

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Solution

The fourth proportional to 957,927.87, 1,321,910.28 and 528,226.11 is: 728,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,927.87 : 1,321,910.28 = 528,226.11 : x
  2. Step 2: Convert to fraction form
    957,927.87/1,321,910.28 = 528,226.11/x
  3. Step 3: Cross multiply
    957,927.87x = 1,321,910.28 × 528,226.11
  4. Step 4: Simplify right side
    957,927.87x = 698,267,524,973.41
  5. Step 5: Solve for x
    x = 698,267,524,973.41/957,927.87
  6. Step 6: Final answer
    x = 728,935.39

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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.