Home / 876,351.86-1,314,514.14-449,641.44

Finding the Fourth Proportional to 876,351.86, 1,314,514.14 and 449,641.44

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Solution

The fourth proportional to 876,351.86, 1,314,514.14 and 449,641.44 is: 674,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,351.86 : 1,314,514.14 = 449,641.44 : x
  2. Step 2: Convert to fraction form
    876,351.86/1,314,514.14 = 449,641.44/x
  3. Step 3: Cross multiply
    876,351.86x = 1,314,514.14 × 449,641.44
  4. Step 4: Simplify right side
    876,351.86x = 591,060,030,809.96
  5. Step 5: Solve for x
    x = 591,060,030,809.96/876,351.86
  6. Step 6: Final answer
    x = 674,455.16

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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.