Home / 806,000.68-1,112,280.93-443,416.75

Finding the Fourth Proportional to 806,000.68, 1,112,280.93 and 443,416.75

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Solution

The fourth proportional to 806,000.68, 1,112,280.93 and 443,416.75 is: 611,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,000.68 : 1,112,280.93 = 443,416.75 : x
  2. Step 2: Convert to fraction form
    806,000.68/1,112,280.93 = 443,416.75/x
  3. Step 3: Cross multiply
    806,000.68x = 1,112,280.93 × 443,416.75
  4. Step 4: Simplify right side
    806,000.68x = 493,203,995,067.58
  5. Step 5: Solve for x
    x = 493,203,995,067.58/806,000.68
  6. Step 6: Final answer
    x = 611,915.11

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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.