Home / 800,368.86-1,200,555.33-327,054.27

Finding the Fourth Proportional to 800,368.86, 1,200,555.33 and 327,054.27

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Solution

The fourth proportional to 800,368.86, 1,200,555.33 and 327,054.27 is: 490,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,368.86 : 1,200,555.33 = 327,054.27 : x
  2. Step 2: Convert to fraction form
    800,368.86/1,200,555.33 = 327,054.27/x
  3. Step 3: Cross multiply
    800,368.86x = 1,200,555.33 × 327,054.27
  4. Step 4: Simplify right side
    800,368.86x = 392,646,747,047.76
  5. Step 5: Solve for x
    x = 392,646,747,047.76/800,368.86
  6. Step 6: Final answer
    x = 490,582.24

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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.