Home / 774,492.75-1,162,194.21-325,179.07

Finding the Fourth Proportional to 774,492.75, 1,162,194.21 and 325,179.07

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Solution

The fourth proportional to 774,492.75, 1,162,194.21 and 325,179.07 is: 487,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,492.75 : 1,162,194.21 = 325,179.07 : x
  2. Step 2: Convert to fraction form
    774,492.75/1,162,194.21 = 325,179.07/x
  3. Step 3: Cross multiply
    774,492.75x = 1,162,194.21 × 325,179.07
  4. Step 4: Simplify right side
    774,492.75x = 377,921,232,367.19
  5. Step 5: Solve for x
    x = 377,921,232,367.19/774,492.75
  6. Step 6: Final answer
    x = 487,959.68

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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.