Home / 960,940.38-1,442,279.90-512,040.40

Finding the Fourth Proportional to 960,940.38, 1,442,279.90 and 512,040.40

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Solution

The fourth proportional to 960,940.38, 1,442,279.90 and 512,040.40 is: 768,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,940.38 : 1,442,279.90 = 512,040.40 : x
  2. Step 2: Convert to fraction form
    960,940.38/1,442,279.90 = 512,040.40/x
  3. Step 3: Cross multiply
    960,940.38x = 1,442,279.90 × 512,040.40
  4. Step 4: Simplify right side
    960,940.38x = 738,505,574,347.76
  5. Step 5: Solve for x
    x = 738,505,574,347.76/960,940.38
  6. Step 6: Final answer
    x = 768,523.83

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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.