Home / 949,035.79-1,309,665.84-513,451.74

Finding the Fourth Proportional to 949,035.79, 1,309,665.84 and 513,451.74

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Solution

The fourth proportional to 949,035.79, 1,309,665.84 and 513,451.74 is: 708,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,035.79 : 1,309,665.84 = 513,451.74 : x
  2. Step 2: Convert to fraction form
    949,035.79/1,309,665.84 = 513,451.74/x
  3. Step 3: Cross multiply
    949,035.79x = 1,309,665.84 × 513,451.74
  4. Step 4: Simplify right side
    949,035.79x = 672,450,204,366.56
  5. Step 5: Solve for x
    x = 672,450,204,366.56/949,035.79
  6. Step 6: Final answer
    x = 708,561.48

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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.