Home / 809,789.59-1,117,509.74-452,093.59

Finding the Fourth Proportional to 809,789.59, 1,117,509.74 and 452,093.59

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Solution

The fourth proportional to 809,789.59, 1,117,509.74 and 452,093.59 is: 623,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,789.59 : 1,117,509.74 = 452,093.59 : x
  2. Step 2: Convert to fraction form
    809,789.59/1,117,509.74 = 452,093.59/x
  3. Step 3: Cross multiply
    809,789.59x = 1,117,509.74 × 452,093.59
  4. Step 4: Simplify right side
    809,789.59x = 505,218,990,216.57
  5. Step 5: Solve for x
    x = 505,218,990,216.57/809,789.59
  6. Step 6: Final answer
    x = 623,889.21

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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.