Home / 598,074.81-825,320.18-339,985.68

Finding the Fourth Proportional to 598,074.81, 825,320.18 and 339,985.68

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Solution

The fourth proportional to 598,074.81, 825,320.18 and 339,985.68 is: 469,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,074.81 : 825,320.18 = 339,985.68 : x
  2. Step 2: Convert to fraction form
    598,074.81/825,320.18 = 339,985.68/x
  3. Step 3: Cross multiply
    598,074.81x = 825,320.18 × 339,985.68
  4. Step 4: Simplify right side
    598,074.81x = 280,597,040,915.09
  5. Step 5: Solve for x
    x = 280,597,040,915.09/598,074.81
  6. Step 6: Final answer
    x = 469,167.13

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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.