Home / 986,471.14-1,479,716.94-346,792.76

Finding the Fourth Proportional to 986,471.14, 1,479,716.94 and 346,792.76

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Solution

The fourth proportional to 986,471.14, 1,479,716.94 and 346,792.76 is: 520,192.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,471.14 : 1,479,716.94 = 346,792.76 : x
  2. Step 2: Convert to fraction form
    986,471.14/1,479,716.94 = 346,792.76/x
  3. Step 3: Cross multiply
    986,471.14x = 1,479,716.94 × 346,792.76
  4. Step 4: Simplify right side
    986,471.14x = 513,155,121,641.35
  5. Step 5: Solve for x
    x = 513,155,121,641.35/986,471.14
  6. Step 6: Final answer
    x = 520,192.74

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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.