Home / 453,825.72-626,473.32-323,087.76

Finding the Fourth Proportional to 453,825.72, 626,473.32 and 323,087.76

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Solution

The fourth proportional to 453,825.72, 626,473.32 and 323,087.76 is: 445,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,825.72 : 626,473.32 = 323,087.76 : x
  2. Step 2: Convert to fraction form
    453,825.72/626,473.32 = 323,087.76/x
  3. Step 3: Cross multiply
    453,825.72x = 626,473.32 × 323,087.76
  4. Step 4: Simplify right side
    453,825.72x = 202,405,861,658.56
  5. Step 5: Solve for x
    x = 202,405,861,658.56/453,825.72
  6. Step 6: Final answer
    x = 445,999.10

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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.