Home / 805,588.22-1,111,697.22-443,013.09

Finding the Fourth Proportional to 805,588.22, 1,111,697.22 and 443,013.09

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Solution

The fourth proportional to 805,588.22, 1,111,697.22 and 443,013.09 is: 611,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,588.22 : 1,111,697.22 = 443,013.09 : x
  2. Step 2: Convert to fraction form
    805,588.22/1,111,697.22 = 443,013.09/x
  3. Step 3: Cross multiply
    805,588.22x = 1,111,697.22 × 443,013.09
  4. Step 4: Simplify right side
    805,588.22x = 492,496,420,576.61
  5. Step 5: Solve for x
    x = 492,496,420,576.61/805,588.22
  6. Step 6: Final answer
    x = 611,350.08

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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.