Home / 456,629.43-630,215.46-262,999.92

Finding the Fourth Proportional to 456,629.43, 630,215.46 and 262,999.92

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Solution

The fourth proportional to 456,629.43, 630,215.46 and 262,999.92 is: 362,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,629.43 : 630,215.46 = 262,999.92 : x
  2. Step 2: Convert to fraction form
    456,629.43/630,215.46 = 262,999.92/x
  3. Step 3: Cross multiply
    456,629.43x = 630,215.46 × 262,999.92
  4. Step 4: Simplify right side
    456,629.43x = 165,746,615,562.76
  5. Step 5: Solve for x
    x = 165,746,615,562.76/456,629.43
  6. Step 6: Final answer
    x = 362,978.39

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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.