Home / 800,013.80-1,196,910.30-520,077.80

Finding the Fourth Proportional to 800,013.80, 1,196,910.30 and 520,077.80

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Solution

The fourth proportional to 800,013.80, 1,196,910.30 and 520,077.80 is: 778,094.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,013.80 : 1,196,910.30 = 520,077.80 : x
  2. Step 2: Convert to fraction form
    800,013.80/1,196,910.30 = 520,077.80/x
  3. Step 3: Cross multiply
    800,013.80x = 1,196,910.30 × 520,077.80
  4. Step 4: Simplify right side
    800,013.80x = 622,486,475,621.34
  5. Step 5: Solve for x
    x = 622,486,475,621.34/800,013.80
  6. Step 6: Final answer
    x = 778,094.67

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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.