Home / 764,833.99-1,056,550.22-612,881.59

Finding the Fourth Proportional to 764,833.99, 1,056,550.22 and 612,881.59

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Solution

The fourth proportional to 764,833.99, 1,056,550.22 and 612,881.59 is: 846,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,833.99 : 1,056,550.22 = 612,881.59 : x
  2. Step 2: Convert to fraction form
    764,833.99/1,056,550.22 = 612,881.59/x
  3. Step 3: Cross multiply
    764,833.99x = 1,056,550.22 × 612,881.59
  4. Step 4: Simplify right side
    764,833.99x = 647,540,175,684.04
  5. Step 5: Solve for x
    x = 647,540,175,684.04/764,833.99
  6. Step 6: Final answer
    x = 846,641.47

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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.