Home / 919,847.87-1,379,666.66-245,981.71

Finding the Fourth Proportional to 919,847.87, 1,379,666.66 and 245,981.71

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Solution

The fourth proportional to 919,847.87, 1,379,666.66 and 245,981.71 is: 368,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,847.87 : 1,379,666.66 = 245,981.71 : x
  2. Step 2: Convert to fraction form
    919,847.87/1,379,666.66 = 245,981.71/x
  3. Step 3: Cross multiply
    919,847.87x = 1,379,666.66 × 245,981.71
  4. Step 4: Simplify right side
    919,847.87x = 339,372,757,358.46
  5. Step 5: Solve for x
    x = 339,372,757,358.46/919,847.87
  6. Step 6: Final answer
    x = 368,944.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.