Home / 1,657,079.37-2,286,747.86-931,926.87

Finding the Fourth Proportional to 1,657,079.37, 2,286,747.86 and 931,926.87

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Solution

The fourth proportional to 1,657,079.37, 2,286,747.86 and 931,926.87 is: 1,286,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,079.37 : 2,286,747.86 = 931,926.87 : x
  2. Step 2: Convert to fraction form
    1,657,079.37/2,286,747.86 = 931,926.87/x
  3. Step 3: Cross multiply
    1,657,079.37x = 2,286,747.86 × 931,926.87
  4. Step 4: Simplify right side
    1,657,079.37x = 2,131,081,770,989.36
  5. Step 5: Solve for x
    x = 2,131,081,770,989.36/1,657,079.37
  6. Step 6: Final answer
    x = 1,286,046.89

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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.