Home / 1,076,315.42-1,613,682.56-515,743.58

Finding the Fourth Proportional to 1,076,315.42, 1,613,682.56 and 515,743.58

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Solution

The fourth proportional to 1,076,315.42, 1,613,682.56 and 515,743.58 is: 773,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,315.42 : 1,613,682.56 = 515,743.58 : x
  2. Step 2: Convert to fraction form
    1,076,315.42/1,613,682.56 = 515,743.58/x
  3. Step 3: Cross multiply
    1,076,315.42x = 1,613,682.56 × 515,743.58
  4. Step 4: Simplify right side
    1,076,315.42x = 832,246,420,477.97
  5. Step 5: Solve for x
    x = 832,246,420,477.97/1,076,315.42
  6. Step 6: Final answer
    x = 773,236.55

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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.