Home / 919,606.46-1,379,393.57-413,809.44

Finding the Fourth Proportional to 919,606.46, 1,379,393.57 and 413,809.44

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Solution

The fourth proportional to 919,606.46, 1,379,393.57 and 413,809.44 is: 620,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,606.46 : 1,379,393.57 = 413,809.44 : x
  2. Step 2: Convert to fraction form
    919,606.46/1,379,393.57 = 413,809.44/x
  3. Step 3: Cross multiply
    919,606.46x = 1,379,393.57 × 413,809.44
  4. Step 4: Simplify right side
    919,606.46x = 570,806,078,672.25
  5. Step 5: Solve for x
    x = 570,806,078,672.25/919,606.46
  6. Step 6: Final answer
    x = 620,706.91

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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.