Home / 1,691,143.29-2,333,800.67-927,195.21

Finding the Fourth Proportional to 1,691,143.29, 2,333,800.67 and 927,195.21

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Solution

The fourth proportional to 1,691,143.29, 2,333,800.67 and 927,195.21 is: 1,279,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,143.29 : 2,333,800.67 = 927,195.21 : x
  2. Step 2: Convert to fraction form
    1,691,143.29/2,333,800.67 = 927,195.21/x
  3. Step 3: Cross multiply
    1,691,143.29x = 2,333,800.67 × 927,195.21
  4. Step 4: Simplify right side
    1,691,143.29x = 2,163,888,797,682.81
  5. Step 5: Solve for x
    x = 2,163,888,797,682.81/1,691,143.29
  6. Step 6: Final answer
    x = 1,279,541.96

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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.