Home / 695,678.40-1,043,741.76-316,734.72

Finding the Fourth Proportional to 695,678.40, 1,043,741.76 and 316,734.72

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Solution

The fourth proportional to 695,678.40, 1,043,741.76 and 316,734.72 is: 475,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,678.40 : 1,043,741.76 = 316,734.72 : x
  2. Step 2: Convert to fraction form
    695,678.40/1,043,741.76 = 316,734.72/x
  3. Step 3: Cross multiply
    695,678.40x = 1,043,741.76 × 316,734.72
  4. Step 4: Simplify right side
    695,678.40x = 330,589,254,105.91
  5. Step 5: Solve for x
    x = 330,589,254,105.91/695,678.40
  6. Step 6: Final answer
    x = 475,204.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.