Home / 1,543,571.10-2,129,449.59-931,382.42

Finding the Fourth Proportional to 1,543,571.10, 2,129,449.59 and 931,382.42

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Solution

The fourth proportional to 1,543,571.10, 2,129,449.59 and 931,382.42 is: 1,284,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,571.10 : 2,129,449.59 = 931,382.42 : x
  2. Step 2: Convert to fraction form
    1,543,571.10/2,129,449.59 = 931,382.42/x
  3. Step 3: Cross multiply
    1,543,571.10x = 2,129,449.59 × 931,382.42
  4. Step 4: Simplify right side
    1,543,571.10x = 1,983,331,901,754.96
  5. Step 5: Solve for x
    x = 1,983,331,901,754.96/1,543,571.10
  6. Step 6: Final answer
    x = 1,284,898.31

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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.