Home / 1,687,828.64-2,326,416.24-1,257,951.92

Finding the Fourth Proportional to 1,687,828.64, 2,326,416.24 and 1,257,951.92

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Solution

The fourth proportional to 1,687,828.64, 2,326,416.24 and 1,257,951.92 is: 1,733,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,828.64 : 2,326,416.24 = 1,257,951.92 : x
  2. Step 2: Convert to fraction form
    1,687,828.64/2,326,416.24 = 1,257,951.92/x
  3. Step 3: Cross multiply
    1,687,828.64x = 2,326,416.24 × 1,257,951.92
  4. Step 4: Simplify right side
    1,687,828.64x = 2,926,519,775,827.18
  5. Step 5: Solve for x
    x = 2,926,519,775,827.18/1,687,828.64
  6. Step 6: Final answer
    x = 1,733,896.27

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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.