Home / 985,963.12-1,479,108.11-346,100.84

Finding the Fourth Proportional to 985,963.12, 1,479,108.11 and 346,100.84

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Solution

The fourth proportional to 985,963.12, 1,479,108.11 and 346,100.84 is: 519,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,963.12 : 1,479,108.11 = 346,100.84 : x
  2. Step 2: Convert to fraction form
    985,963.12/1,479,108.11 = 346,100.84/x
  3. Step 3: Cross multiply
    985,963.12x = 1,479,108.11 × 346,100.84
  4. Step 4: Simplify right side
    985,963.12x = 511,920,555,742.42
  5. Step 5: Solve for x
    x = 511,920,555,742.42/985,963.12
  6. Step 6: Final answer
    x = 519,208.62

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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.