Home / 677,444.89-1,016,167.79-172,043.77

Finding the Fourth Proportional to 677,444.89, 1,016,167.79 and 172,043.77

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Solution

The fourth proportional to 677,444.89, 1,016,167.79 and 172,043.77 is: 258,065.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,444.89 : 1,016,167.79 = 172,043.77 : x
  2. Step 2: Convert to fraction form
    677,444.89/1,016,167.79 = 172,043.77/x
  3. Step 3: Cross multiply
    677,444.89x = 1,016,167.79 × 172,043.77
  4. Step 4: Simplify right side
    677,444.89x = 174,825,337,544.17
  5. Step 5: Solve for x
    x = 174,825,337,544.17/677,444.89
  6. Step 6: Final answer
    x = 258,065.77

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Similar ratio
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1.5x scale

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.