Home / 1,076,321.42-1,613,691.56-515,749.58

Finding the Fourth Proportional to 1,076,321.42, 1,613,691.56 and 515,749.58

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Solution

The fourth proportional to 1,076,321.42, 1,613,691.56 and 515,749.58 is: 773,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,321.42 : 1,613,691.56 = 515,749.58 : x
  2. Step 2: Convert to fraction form
    1,076,321.42/1,613,691.56 = 515,749.58/x
  3. Step 3: Cross multiply
    1,076,321.42x = 1,613,691.56 × 515,749.58
  4. Step 4: Simplify right side
    1,076,321.42x = 832,260,744,319.55
  5. Step 5: Solve for x
    x = 832,260,744,319.55/1,076,321.42
  6. Step 6: Final answer
    x = 773,245.55

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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.