Home / 695,162.12-1,043,137.30-375,309.72

Finding the Fourth Proportional to 695,162.12, 1,043,137.30 and 375,309.72

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Solution

The fourth proportional to 695,162.12, 1,043,137.30 and 375,309.72 is: 563,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,162.12 : 1,043,137.30 = 375,309.72 : x
  2. Step 2: Convert to fraction form
    695,162.12/1,043,137.30 = 375,309.72/x
  3. Step 3: Cross multiply
    695,162.12x = 1,043,137.30 × 375,309.72
  4. Step 4: Simplify right side
    695,162.12x = 391,499,567,984.56
  5. Step 5: Solve for x
    x = 391,499,567,984.56/695,162.12
  6. Step 6: Final answer
    x = 563,177.36

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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.