Home / 326,457.12-489,518.97-191,784.24

Finding the Fourth Proportional to 326,457.12, 489,518.97 and 191,784.24

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Solution

The fourth proportional to 326,457.12, 489,518.97 and 191,784.24 is: 287,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,457.12 : 489,518.97 = 191,784.24 : x
  2. Step 2: Convert to fraction form
    326,457.12/489,518.97 = 191,784.24/x
  3. Step 3: Cross multiply
    326,457.12x = 489,518.97 × 191,784.24
  4. Step 4: Simplify right side
    326,457.12x = 93,882,023,627.03
  5. Step 5: Solve for x
    x = 93,882,023,627.03/326,457.12
  6. Step 6: Final answer
    x = 287,578.42

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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.