Home / 439,284.81-658,677.52-172,900.92

Finding the Fourth Proportional to 439,284.81, 658,677.52 and 172,900.92

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Solution

The fourth proportional to 439,284.81, 658,677.52 and 172,900.92 is: 259,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,284.81 : 658,677.52 = 172,900.92 : x
  2. Step 2: Convert to fraction form
    439,284.81/658,677.52 = 172,900.92/x
  3. Step 3: Cross multiply
    439,284.81x = 658,677.52 × 172,900.92
  4. Step 4: Simplify right side
    439,284.81x = 113,885,949,191.32
  5. Step 5: Solve for x
    x = 113,885,949,191.32/439,284.81
  6. Step 6: Final answer
    x = 259,253.10

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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.