Home / 383,634.51-529,403.49-211,559.73

Finding the Fourth Proportional to 383,634.51, 529,403.49 and 211,559.73

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Solution

The fourth proportional to 383,634.51, 529,403.49 and 211,559.73 is: 291,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,634.51 : 529,403.49 = 211,559.73 : x
  2. Step 2: Convert to fraction form
    383,634.51/529,403.49 = 211,559.73/x
  3. Step 3: Cross multiply
    383,634.51x = 529,403.49 × 211,559.73
  4. Step 4: Simplify right side
    383,634.51x = 112,000,459,405.46
  5. Step 5: Solve for x
    x = 112,000,459,405.46/383,634.51
  6. Step 6: Final answer
    x = 291,945.74

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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.