Home / 1,353,141.67-1,867,335.34-809,277.38

Finding the Fourth Proportional to 1,353,141.67, 1,867,335.34 and 809,277.38

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Solution

The fourth proportional to 1,353,141.67, 1,867,335.34 and 809,277.38 is: 1,116,802.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,141.67 : 1,867,335.34 = 809,277.38 : x
  2. Step 2: Convert to fraction form
    1,353,141.67/1,867,335.34 = 809,277.38/x
  3. Step 3: Cross multiply
    1,353,141.67x = 1,867,335.34 × 809,277.38
  4. Step 4: Simplify right side
    1,353,141.67x = 1,511,192,251,536.61
  5. Step 5: Solve for x
    x = 1,511,192,251,536.61/1,353,141.67
  6. Step 6: Final answer
    x = 1,116,802.69

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1.5x scale

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.