Home / 805,943.46-1,112,166.84-443,344.32

Finding the Fourth Proportional to 805,943.46, 1,112,166.84 and 443,344.32

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Solution

The fourth proportional to 805,943.46, 1,112,166.84 and 443,344.32 is: 611,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,943.46 : 1,112,166.84 = 443,344.32 : x
  2. Step 2: Convert to fraction form
    805,943.46/1,112,166.84 = 443,344.32/x
  3. Step 3: Cross multiply
    805,943.46x = 1,112,166.84 × 443,344.32
  4. Step 4: Simplify right side
    805,943.46x = 493,072,851,406.35
  5. Step 5: Solve for x
    x = 493,072,851,406.35/805,943.46
  6. Step 6: Final answer
    x = 611,795.83

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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.