Home / 875,891.53-1,208,950.50-494,139.75

Finding the Fourth Proportional to 875,891.53, 1,208,950.50 and 494,139.75

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Solution

The fourth proportional to 875,891.53, 1,208,950.50 and 494,139.75 is: 682,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,891.53 : 1,208,950.50 = 494,139.75 : x
  2. Step 2: Convert to fraction form
    875,891.53/1,208,950.50 = 494,139.75/x
  3. Step 3: Cross multiply
    875,891.53x = 1,208,950.50 × 494,139.75
  4. Step 4: Simplify right side
    875,891.53x = 597,390,497,832.38
  5. Step 5: Solve for x
    x = 597,390,497,832.38/875,891.53
  6. Step 6: Final answer
    x = 682,037.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.