Home / 939,784.38-1,296,903.60-510,064.44

Finding the Fourth Proportional to 939,784.38, 1,296,903.60 and 510,064.44

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Solution

The fourth proportional to 939,784.38, 1,296,903.60 and 510,064.44 is: 703,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,784.38 : 1,296,903.60 = 510,064.44 : x
  2. Step 2: Convert to fraction form
    939,784.38/1,296,903.60 = 510,064.44/x
  3. Step 3: Cross multiply
    939,784.38x = 1,296,903.60 × 510,064.44
  4. Step 4: Simplify right side
    939,784.38x = 661,504,408,467.98
  5. Step 5: Solve for x
    x = 661,504,408,467.98/939,784.38
  6. Step 6: Final answer
    x = 703,889.55

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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.