Home / 456,023.99-629,375.60-262,427.72

Finding the Fourth Proportional to 456,023.99, 629,375.60 and 262,427.72

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Solution

The fourth proportional to 456,023.99, 629,375.60 and 262,427.72 is: 362,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,023.99 : 629,375.60 = 262,427.72 : x
  2. Step 2: Convert to fraction form
    456,023.99/629,375.60 = 262,427.72/x
  3. Step 3: Cross multiply
    456,023.99x = 629,375.60 × 262,427.72
  4. Step 4: Simplify right side
    456,023.99x = 165,165,601,240.82
  5. Step 5: Solve for x
    x = 165,165,601,240.82/456,023.99
  6. Step 6: Final answer
    x = 362,186.21

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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.