Home / 683,844.76-943,724.64-377,940.98

Finding the Fourth Proportional to 683,844.76, 943,724.64 and 377,940.98

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Solution

The fourth proportional to 683,844.76, 943,724.64 and 377,940.98 is: 521,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,844.76 : 943,724.64 = 377,940.98 : x
  2. Step 2: Convert to fraction form
    683,844.76/943,724.64 = 377,940.98/x
  3. Step 3: Cross multiply
    683,844.76x = 943,724.64 × 377,940.98
  4. Step 4: Simplify right side
    683,844.76x = 356,672,215,291.75
  5. Step 5: Solve for x
    x = 356,672,215,291.75/683,844.76
  6. Step 6: Final answer
    x = 521,568.98

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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.