Home / 677,938.56-1,016,509.12-257,244

Finding the Fourth Proportional to 677,938.56, 1,016,509.12 and 257,244

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Solution

The fourth proportional to 677,938.56, 1,016,509.12 and 257,244 is: 385,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,938.56 : 1,016,509.12 = 257,244 : x
  2. Step 2: Convert to fraction form
    677,938.56/1,016,509.12 = 257,244/x
  3. Step 3: Cross multiply
    677,938.56x = 1,016,509.12 × 257,244
  4. Step 4: Simplify right side
    677,938.56x = 261,490,872,065.28
  5. Step 5: Solve for x
    x = 261,490,872,065.28/677,938.56
  6. Step 6: Final answer
    x = 385,714.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.