Home / 908,352.36-1,253,530.08-521,183.16

Finding the Fourth Proportional to 908,352.36, 1,253,530.08 and 521,183.16

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Solution

The fourth proportional to 908,352.36, 1,253,530.08 and 521,183.16 is: 719,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,352.36 : 1,253,530.08 = 521,183.16 : x
  2. Step 2: Convert to fraction form
    908,352.36/1,253,530.08 = 521,183.16/x
  3. Step 3: Cross multiply
    908,352.36x = 1,253,530.08 × 521,183.16
  4. Step 4: Simplify right side
    908,352.36x = 653,318,768,249.45
  5. Step 5: Solve for x
    x = 653,318,768,249.45/908,352.36
  6. Step 6: Final answer
    x = 719,234.95

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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.