Home / 939,563.62-1,296,601.36-509,843.72

Finding the Fourth Proportional to 939,563.62, 1,296,601.36 and 509,843.72

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Solution

The fourth proportional to 939,563.62, 1,296,601.36 and 509,843.72 is: 703,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,563.62 : 1,296,601.36 = 509,843.72 : x
  2. Step 2: Convert to fraction form
    939,563.62/1,296,601.36 = 509,843.72/x
  3. Step 3: Cross multiply
    939,563.62x = 1,296,601.36 × 509,843.72
  4. Step 4: Simplify right side
    939,563.62x = 661,064,062,706.35
  5. Step 5: Solve for x
    x = 661,064,062,706.35/939,563.62
  6. Step 6: Final answer
    x = 703,586.27

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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.