Home / 621,045.24-931,567.79-200,321.12

Finding the Fourth Proportional to 621,045.24, 931,567.79 and 200,321.12

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Solution

The fourth proportional to 621,045.24, 931,567.79 and 200,321.12 is: 300,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,045.24 : 931,567.79 = 200,321.12 : x
  2. Step 2: Convert to fraction form
    621,045.24/931,567.79 = 200,321.12/x
  3. Step 3: Cross multiply
    621,045.24x = 931,567.79 × 200,321.12
  4. Step 4: Simplify right side
    621,045.24x = 186,612,697,389.28
  5. Step 5: Solve for x
    x = 186,612,697,389.28/621,045.24
  6. Step 6: Final answer
    x = 300,481.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.