Home / 805,635.98-1,111,755.45-443,059.80

Finding the Fourth Proportional to 805,635.98, 1,111,755.45 and 443,059.80

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Solution

The fourth proportional to 805,635.98, 1,111,755.45 and 443,059.80 is: 611,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,635.98 : 1,111,755.45 = 443,059.80 : x
  2. Step 2: Convert to fraction form
    805,635.98/1,111,755.45 = 443,059.80/x
  3. Step 3: Cross multiply
    805,635.98x = 1,111,755.45 × 443,059.80
  4. Step 4: Simplify right side
    805,635.98x = 492,574,147,325.91
  5. Step 5: Solve for x
    x = 492,574,147,325.91/805,635.98
  6. Step 6: Final answer
    x = 611,410.32

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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.