Home / 912,599.29-1,367,933.62-343,734.25

Finding the Fourth Proportional to 912,599.29, 1,367,933.62 and 343,734.25

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Solution

The fourth proportional to 912,599.29, 1,367,933.62 and 343,734.25 is: 515,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,599.29 : 1,367,933.62 = 343,734.25 : x
  2. Step 2: Convert to fraction form
    912,599.29/1,367,933.62 = 343,734.25/x
  3. Step 3: Cross multiply
    912,599.29x = 1,367,933.62 × 343,734.25
  4. Step 4: Simplify right side
    912,599.29x = 470,205,635,850.69
  5. Step 5: Solve for x
    x = 470,205,635,850.69/912,599.29
  6. Step 6: Final answer
    x = 515,237.78

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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.