Home / 383,191.96-528,821.13-213,426.07

Finding the Fourth Proportional to 383,191.96, 528,821.13 and 213,426.07

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Solution

The fourth proportional to 383,191.96, 528,821.13 and 213,426.07 is: 294,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,191.96 : 528,821.13 = 213,426.07 : x
  2. Step 2: Convert to fraction form
    383,191.96/528,821.13 = 213,426.07/x
  3. Step 3: Cross multiply
    383,191.96x = 528,821.13 × 213,426.07
  4. Step 4: Simplify right side
    383,191.96x = 112,864,215,508.86
  5. Step 5: Solve for x
    x = 112,864,215,508.86/383,191.96
  6. Step 6: Final answer
    x = 294,537.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.