Home / 810,823.08-1,118,935.68-443,301.54

Finding the Fourth Proportional to 810,823.08, 1,118,935.68 and 443,301.54

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Solution

The fourth proportional to 810,823.08, 1,118,935.68 and 443,301.54 is: 611,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,823.08 : 1,118,935.68 = 443,301.54 : x
  2. Step 2: Convert to fraction form
    810,823.08/1,118,935.68 = 443,301.54/x
  3. Step 3: Cross multiply
    810,823.08x = 1,118,935.68 × 443,301.54
  4. Step 4: Simplify right side
    810,823.08x = 496,025,910,104.95
  5. Step 5: Solve for x
    x = 496,025,910,104.95/810,823.08
  6. Step 6: Final answer
    x = 611,756.03

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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.