Home / 266,011.83-396,120.85-263,066.67

Finding the Fourth Proportional to 266,011.83, 396,120.85 and 263,066.67

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Solution

The fourth proportional to 266,011.83, 396,120.85 and 263,066.67 is: 391,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,011.83 : 396,120.85 = 263,066.67 : x
  2. Step 2: Convert to fraction form
    266,011.83/396,120.85 = 263,066.67/x
  3. Step 3: Cross multiply
    266,011.83x = 396,120.85 × 263,066.67
  4. Step 4: Simplify right side
    266,011.83x = 104,206,192,269.40
  5. Step 5: Solve for x
    x = 104,206,192,269.40/266,011.83
  6. Step 6: Final answer
    x = 391,735.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.