Home / 800,503.12-1,199,176.78-650,912.32

Finding the Fourth Proportional to 800,503.12, 1,199,176.78 and 650,912.32

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Solution

The fourth proportional to 800,503.12, 1,199,176.78 and 650,912.32 is: 975,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,503.12 : 1,199,176.78 = 650,912.32 : x
  2. Step 2: Convert to fraction form
    800,503.12/1,199,176.78 = 650,912.32/x
  3. Step 3: Cross multiply
    800,503.12x = 1,199,176.78 × 650,912.32
  4. Step 4: Simplify right side
    800,503.12x = 780,558,939,959.93
  5. Step 5: Solve for x
    x = 780,558,939,959.93/800,503.12
  6. Step 6: Final answer
    x = 975,085.44

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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.