Home / 876,354.86-1,314,518.64-449,644.44

Finding the Fourth Proportional to 876,354.86, 1,314,518.64 and 449,644.44

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Solution

The fourth proportional to 876,354.86, 1,314,518.64 and 449,644.44 is: 674,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,354.86 : 1,314,518.64 = 449,644.44 : x
  2. Step 2: Convert to fraction form
    876,354.86/1,314,518.64 = 449,644.44/x
  3. Step 3: Cross multiply
    876,354.86x = 1,314,518.64 × 449,644.44
  4. Step 4: Simplify right side
    876,354.86x = 591,065,997,752.36
  5. Step 5: Solve for x
    x = 591,065,997,752.36/876,354.86
  6. Step 6: Final answer
    x = 674,459.66

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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.