Home / 985,956.85-1,479,019.96-346,205.61

Finding the Fourth Proportional to 985,956.85, 1,479,019.96 and 346,205.61

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Solution

The fourth proportional to 985,956.85, 1,479,019.96 and 346,205.61 is: 519,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,956.85 : 1,479,019.96 = 346,205.61 : x
  2. Step 2: Convert to fraction form
    985,956.85/1,479,019.96 = 346,205.61/x
  3. Step 3: Cross multiply
    985,956.85x = 1,479,019.96 × 346,205.61
  4. Step 4: Simplify right side
    985,956.85x = 512,045,007,886.73
  5. Step 5: Solve for x
    x = 512,045,007,886.73/985,956.85
  6. Step 6: Final answer
    x = 519,338.15

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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.