Home / 677,886.41-1,016,835.47-172,447.89

Finding the Fourth Proportional to 677,886.41, 1,016,835.47 and 172,447.89

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Solution

The fourth proportional to 677,886.41, 1,016,835.47 and 172,447.89 is: 258,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,886.41 : 1,016,835.47 = 172,447.89 : x
  2. Step 2: Convert to fraction form
    677,886.41/1,016,835.47 = 172,447.89/x
  3. Step 3: Cross multiply
    677,886.41x = 1,016,835.47 × 172,447.89
  4. Step 4: Simplify right side
    677,886.41x = 175,351,130,416.42
  5. Step 5: Solve for x
    x = 175,351,130,416.42/677,886.41
  6. Step 6: Final answer
    x = 258,673.33

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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.