Home / 957,522.22-1,321,380.34-527,809.53

Finding the Fourth Proportional to 957,522.22, 1,321,380.34 and 527,809.53

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Solution

The fourth proportional to 957,522.22, 1,321,380.34 and 527,809.53 is: 728,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,522.22 : 1,321,380.34 = 527,809.53 : x
  2. Step 2: Convert to fraction form
    957,522.22/1,321,380.34 = 527,809.53/x
  3. Step 3: Cross multiply
    957,522.22x = 1,321,380.34 × 527,809.53
  4. Step 4: Simplify right side
    957,522.22x = 697,437,135,378.46
  5. Step 5: Solve for x
    x = 697,437,135,378.46/957,522.22
  6. Step 6: Final answer
    x = 728,376.97

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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.