Home / 862,028.08-1,189,522.56-499,336

Finding the Fourth Proportional to 862,028.08, 1,189,522.56 and 499,336

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Solution

The fourth proportional to 862,028.08, 1,189,522.56 and 499,336 is: 689,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,028.08 : 1,189,522.56 = 499,336 : x
  2. Step 2: Convert to fraction form
    862,028.08/1,189,522.56 = 499,336/x
  3. Step 3: Cross multiply
    862,028.08x = 1,189,522.56 × 499,336
  4. Step 4: Simplify right side
    862,028.08x = 593,971,437,020.16
  5. Step 5: Solve for x
    x = 593,971,437,020.16/862,028.08
  6. Step 6: Final answer
    x = 689,039.55

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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.