Home / 695,087.10-1,042,630.65-415,151.10

Finding the Fourth Proportional to 695,087.10, 1,042,630.65 and 415,151.10

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Solution

The fourth proportional to 695,087.10, 1,042,630.65 and 415,151.10 is: 622,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,087.10 : 1,042,630.65 = 415,151.10 : x
  2. Step 2: Convert to fraction form
    695,087.10/1,042,630.65 = 415,151.10/x
  3. Step 3: Cross multiply
    695,087.10x = 1,042,630.65 × 415,151.10
  4. Step 4: Simplify right side
    695,087.10x = 432,849,261,241.22
  5. Step 5: Solve for x
    x = 432,849,261,241.22/695,087.10
  6. Step 6: Final answer
    x = 622,726.65

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Double scale
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Similar ratio
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1.5x scale

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.