Home / 683,021.44-942,564.48-377,097.76

Finding the Fourth Proportional to 683,021.44, 942,564.48 and 377,097.76

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Solution

The fourth proportional to 683,021.44, 942,564.48 and 377,097.76 is: 520,392.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,021.44 : 942,564.48 = 377,097.76 : x
  2. Step 2: Convert to fraction form
    683,021.44/942,564.48 = 377,097.76/x
  3. Step 3: Cross multiply
    683,021.44x = 942,564.48 × 377,097.76
  4. Step 4: Simplify right side
    683,021.44x = 355,438,954,063.57
  5. Step 5: Solve for x
    x = 355,438,954,063.57/683,021.44
  6. Step 6: Final answer
    x = 520,392.09

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Double scale
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Similar ratio
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1.5x scale

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.