Home / 451,904.64-623,060.98-330,835.74

Finding the Fourth Proportional to 451,904.64, 623,060.98 and 330,835.74

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Solution

The fourth proportional to 451,904.64, 623,060.98 and 330,835.74 is: 456,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,904.64 : 623,060.98 = 330,835.74 : x
  2. Step 2: Convert to fraction form
    451,904.64/623,060.98 = 330,835.74/x
  3. Step 3: Cross multiply
    451,904.64x = 623,060.98 × 330,835.74
  4. Step 4: Simplify right side
    451,904.64x = 206,130,840,383.43
  5. Step 5: Solve for x
    x = 206,130,840,383.43/451,904.64
  6. Step 6: Final answer
    x = 456,137.92

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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.