Home / 383,652.35-529,428.66-211,570.23

Finding the Fourth Proportional to 383,652.35, 529,428.66 and 211,570.23

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Solution

The fourth proportional to 383,652.35, 529,428.66 and 211,570.23 is: 291,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,652.35 : 529,428.66 = 211,570.23 : x
  2. Step 2: Convert to fraction form
    383,652.35/529,428.66 = 211,570.23/x
  3. Step 3: Cross multiply
    383,652.35x = 529,428.66 × 211,570.23
  4. Step 4: Simplify right side
    383,652.35x = 112,011,341,578.73
  5. Step 5: Solve for x
    x = 112,011,341,578.73/383,652.35
  6. Step 6: Final answer
    x = 291,960.53

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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.