Home / 1,676,636.56-2,313,769.26-912,689.92

Finding the Fourth Proportional to 1,676,636.56, 2,313,769.26 and 912,689.92

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Solution

The fourth proportional to 1,676,636.56, 2,313,769.26 and 912,689.92 is: 1,259,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,636.56 : 2,313,769.26 = 912,689.92 : x
  2. Step 2: Convert to fraction form
    1,676,636.56/2,313,769.26 = 912,689.92/x
  3. Step 3: Cross multiply
    1,676,636.56x = 2,313,769.26 × 912,689.92
  4. Step 4: Simplify right side
    1,676,636.56x = 2,111,753,880,807.86
  5. Step 5: Solve for x
    x = 2,111,753,880,807.86/1,676,636.56
  6. Step 6: Final answer
    x = 1,259,517.97

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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.