Home / 682,981.95-1,023,611.52-346,107.39

Finding the Fourth Proportional to 682,981.95, 1,023,611.52 and 346,107.39

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Solution

The fourth proportional to 682,981.95, 1,023,611.52 and 346,107.39 is: 518,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,981.95 : 1,023,611.52 = 346,107.39 : x
  2. Step 2: Convert to fraction form
    682,981.95/1,023,611.52 = 346,107.39/x
  3. Step 3: Cross multiply
    682,981.95x = 1,023,611.52 × 346,107.39
  4. Step 4: Simplify right side
    682,981.95x = 354,279,511,561.13
  5. Step 5: Solve for x
    x = 354,279,511,561.13/682,981.95
  6. Step 6: Final answer
    x = 518,724.56

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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.