Home / 986,499.27-1,361,406.96-556,769.97

Finding the Fourth Proportional to 986,499.27, 1,361,406.96 and 556,769.97

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Solution

The fourth proportional to 986,499.27, 1,361,406.96 and 556,769.97 is: 768,363.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,499.27 : 1,361,406.96 = 556,769.97 : x
  2. Step 2: Convert to fraction form
    986,499.27/1,361,406.96 = 556,769.97/x
  3. Step 3: Cross multiply
    986,499.27x = 1,361,406.96 × 556,769.97
  4. Step 4: Simplify right side
    986,499.27x = 757,990,512,276.99
  5. Step 5: Solve for x
    x = 757,990,512,276.99/986,499.27
  6. Step 6: Final answer
    x = 768,363.99

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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.