Home / 683,011.14-942,530.97-377,081.28

Finding the Fourth Proportional to 683,011.14, 942,530.97 and 377,081.28

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Solution

The fourth proportional to 683,011.14, 942,530.97 and 377,081.28 is: 520,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,011.14 : 942,530.97 = 377,081.28 : x
  2. Step 2: Convert to fraction form
    683,011.14/942,530.97 = 377,081.28/x
  3. Step 3: Cross multiply
    683,011.14x = 942,530.97 × 377,081.28
  4. Step 4: Simplify right side
    683,011.14x = 355,410,784,607.24
  5. Step 5: Solve for x
    x = 355,410,784,607.24/683,011.14
  6. Step 6: Final answer
    x = 520,358.69

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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.