Home / 939,234.40-1,296,145.97-509,514.53

Finding the Fourth Proportional to 939,234.40, 1,296,145.97 and 509,514.53

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Solution

The fourth proportional to 939,234.40, 1,296,145.97 and 509,514.53 is: 703,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,234.40 : 1,296,145.97 = 509,514.53 : x
  2. Step 2: Convert to fraction form
    939,234.40/1,296,145.97 = 509,514.53/x
  3. Step 3: Cross multiply
    939,234.40x = 1,296,145.97 × 509,514.53
  4. Step 4: Simplify right side
    939,234.40x = 660,405,204,807.40
  5. Step 5: Solve for x
    x = 660,405,204,807.40/939,234.40
  6. Step 6: Final answer
    x = 703,131.41

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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.