Home / 1,691,411.28-2,331,889.58-1,343,705.35

Finding the Fourth Proportional to 1,691,411.28, 2,331,889.58 and 1,343,705.35

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Solution

The fourth proportional to 1,691,411.28, 2,331,889.58 and 1,343,705.35 is: 1,852,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,411.28 : 2,331,889.58 = 1,343,705.35 : x
  2. Step 2: Convert to fraction form
    1,691,411.28/2,331,889.58 = 1,343,705.35/x
  3. Step 3: Cross multiply
    1,691,411.28x = 2,331,889.58 × 1,343,705.35
  4. Step 4: Simplify right side
    1,691,411.28x = 3,133,372,504,255.25
  5. Step 5: Solve for x
    x = 3,133,372,504,255.25/1,691,411.28
  6. Step 6: Final answer
    x = 1,852,519.57

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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.