Home / 693,519.96-1,039,984.56-272,500.50

Finding the Fourth Proportional to 693,519.96, 1,039,984.56 and 272,500.50

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Solution

The fourth proportional to 693,519.96, 1,039,984.56 and 272,500.50 is: 408,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,519.96 : 1,039,984.56 = 272,500.50 : x
  2. Step 2: Convert to fraction form
    693,519.96/1,039,984.56 = 272,500.50/x
  3. Step 3: Cross multiply
    693,519.96x = 1,039,984.56 × 272,500.50
  4. Step 4: Simplify right side
    693,519.96x = 283,396,312,592.28
  5. Step 5: Solve for x
    x = 283,396,312,592.28/693,519.96
  6. Step 6: Final answer
    x = 408,634.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.