Home / 1,086,879.70-1,630,318.20-412,799.83

Finding the Fourth Proportional to 1,086,879.70, 1,630,318.20 and 412,799.83

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Solution

The fourth proportional to 1,086,879.70, 1,630,318.20 and 412,799.83 is: 619,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,879.70 : 1,630,318.20 = 412,799.83 : x
  2. Step 2: Convert to fraction form
    1,086,879.70/1,630,318.20 = 412,799.83/x
  3. Step 3: Cross multiply
    1,086,879.70x = 1,630,318.20 × 412,799.83
  4. Step 4: Simplify right side
    1,086,879.70x = 672,995,075,805.91
  5. Step 5: Solve for x
    x = 672,995,075,805.91/1,086,879.70
  6. Step 6: Final answer
    x = 619,199.23

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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.