Home / 1,240,680.38-1,861,394.34-441,857.98

Finding the Fourth Proportional to 1,240,680.38, 1,861,394.34 and 441,857.98

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Solution

The fourth proportional to 1,240,680.38, 1,861,394.34 and 441,857.98 is: 662,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,680.38 : 1,861,394.34 = 441,857.98 : x
  2. Step 2: Convert to fraction form
    1,240,680.38/1,861,394.34 = 441,857.98/x
  3. Step 3: Cross multiply
    1,240,680.38x = 1,861,394.34 × 441,857.98
  4. Step 4: Simplify right side
    1,240,680.38x = 822,471,933,748.86
  5. Step 5: Solve for x
    x = 822,471,933,748.86/1,240,680.38
  6. Step 6: Final answer
    x = 662,920.08

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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.