Home / 1,662,393.81-2,294,144.09-927,342.86

Finding the Fourth Proportional to 1,662,393.81, 2,294,144.09 and 927,342.86

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Solution

The fourth proportional to 1,662,393.81, 2,294,144.09 and 927,342.86 is: 1,279,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,393.81 : 2,294,144.09 = 927,342.86 : x
  2. Step 2: Convert to fraction form
    1,662,393.81/2,294,144.09 = 927,342.86/x
  3. Step 3: Cross multiply
    1,662,393.81x = 2,294,144.09 × 927,342.86
  4. Step 4: Simplify right side
    1,662,393.81x = 2,127,458,141,672.70
  5. Step 5: Solve for x
    x = 2,127,458,141,672.70/1,662,393.81
  6. Step 6: Final answer
    x = 1,279,755.81

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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.