Home / 967,406.48-1,451,142.48-257,435.20

Finding the Fourth Proportional to 967,406.48, 1,451,142.48 and 257,435.20

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Solution

The fourth proportional to 967,406.48, 1,451,142.48 and 257,435.20 is: 386,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,406.48 : 1,451,142.48 = 257,435.20 : x
  2. Step 2: Convert to fraction form
    967,406.48/1,451,142.48 = 257,435.20/x
  3. Step 3: Cross multiply
    967,406.48x = 1,451,142.48 × 257,435.20
  4. Step 4: Simplify right side
    967,406.48x = 373,575,150,939.44
  5. Step 5: Solve for x
    x = 373,575,150,939.44/967,406.48
  6. Step 6: Final answer
    x = 386,161.52

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Double scale
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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.