Home / 683,568.14-943,320.97-377,644.57

Finding the Fourth Proportional to 683,568.14, 943,320.97 and 377,644.57

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Solution

The fourth proportional to 683,568.14, 943,320.97 and 377,644.57 is: 521,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,568.14 : 943,320.97 = 377,644.57 : x
  2. Step 2: Convert to fraction form
    683,568.14/943,320.97 = 377,644.57/x
  3. Step 3: Cross multiply
    683,568.14x = 943,320.97 × 377,644.57
  4. Step 4: Simplify right side
    683,568.14x = 356,240,035,482.81
  5. Step 5: Solve for x
    x = 356,240,035,482.81/683,568.14
  6. Step 6: Final answer
    x = 521,147.81

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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.