Home / 423,236.66-634,614.27-327,139.82

Finding the Fourth Proportional to 423,236.66, 634,614.27 and 327,139.82

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Solution

The fourth proportional to 423,236.66, 634,614.27 and 327,139.82 is: 490,523.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,236.66 : 634,614.27 = 327,139.82 : x
  2. Step 2: Convert to fraction form
    423,236.66/634,614.27 = 327,139.82/x
  3. Step 3: Cross multiply
    423,236.66x = 634,614.27 × 327,139.82
  4. Step 4: Simplify right side
    423,236.66x = 207,607,598,057.23
  5. Step 5: Solve for x
    x = 207,607,598,057.23/423,236.66
  6. Step 6: Final answer
    x = 490,523.67

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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.