Home / 467,986.52-645,661.14-381,795.32

Finding the Fourth Proportional to 467,986.52, 645,661.14 and 381,795.32

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Solution

The fourth proportional to 467,986.52, 645,661.14 and 381,795.32 is: 526,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,986.52 : 645,661.14 = 381,795.32 : x
  2. Step 2: Convert to fraction form
    467,986.52/645,661.14 = 381,795.32/x
  3. Step 3: Cross multiply
    467,986.52x = 645,661.14 × 381,795.32
  4. Step 4: Simplify right side
    467,986.52x = 246,510,401,557.87
  5. Step 5: Solve for x
    x = 246,510,401,557.87/467,986.52
  6. Step 6: Final answer
    x = 526,746.80

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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.