Home / 1,215,836.11-1,678,062.18-706,833.73

Finding the Fourth Proportional to 1,215,836.11, 1,678,062.18 and 706,833.73

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Solution

The fourth proportional to 1,215,836.11, 1,678,062.18 and 706,833.73 is: 975,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,836.11 : 1,678,062.18 = 706,833.73 : x
  2. Step 2: Convert to fraction form
    1,215,836.11/1,678,062.18 = 706,833.73/x
  3. Step 3: Cross multiply
    1,215,836.11x = 1,678,062.18 × 706,833.73
  4. Step 4: Simplify right side
    1,215,836.11x = 1,186,110,949,861.33
  5. Step 5: Solve for x
    x = 1,186,110,949,861.33/1,215,836.11
  6. Step 6: Final answer
    x = 975,551.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.