Home / 986,003.75-1,479,169.15-346,141.42

Finding the Fourth Proportional to 986,003.75, 1,479,169.15 and 346,141.42

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Solution

The fourth proportional to 986,003.75, 1,479,169.15 and 346,141.42 is: 519,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,003.75 : 1,479,169.15 = 346,141.42 : x
  2. Step 2: Convert to fraction form
    986,003.75/1,479,169.15 = 346,141.42/x
  3. Step 3: Cross multiply
    986,003.75x = 1,479,169.15 × 346,141.42
  4. Step 4: Simplify right side
    986,003.75x = 512,001,705,437.92
  5. Step 5: Solve for x
    x = 512,001,705,437.92/986,003.75
  6. Step 6: Final answer
    x = 519,269.53

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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.