Home / 451,629.46-623,249.54-247,681.82

Finding the Fourth Proportional to 451,629.46, 623,249.54 and 247,681.82

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Solution

The fourth proportional to 451,629.46, 623,249.54 and 247,681.82 is: 341,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,629.46 : 623,249.54 = 247,681.82 : x
  2. Step 2: Convert to fraction form
    451,629.46/623,249.54 = 247,681.82/x
  3. Step 3: Cross multiply
    451,629.46x = 623,249.54 × 247,681.82
  4. Step 4: Simplify right side
    451,629.46x = 154,367,580,381.36
  5. Step 5: Solve for x
    x = 154,367,580,381.36/451,629.46
  6. Step 6: Final answer
    x = 341,801.40

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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.