Home / 527,198.84-727,533.08-285,481.40

Finding the Fourth Proportional to 527,198.84, 727,533.08 and 285,481.40

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Solution

The fourth proportional to 527,198.84, 727,533.08 and 285,481.40 is: 393,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,198.84 : 727,533.08 = 285,481.40 : x
  2. Step 2: Convert to fraction form
    527,198.84/727,533.08 = 285,481.40/x
  3. Step 3: Cross multiply
    527,198.84x = 727,533.08 × 285,481.40
  4. Step 4: Simplify right side
    527,198.84x = 207,697,157,159.64
  5. Step 5: Solve for x
    x = 207,697,157,159.64/527,198.84
  6. Step 6: Final answer
    x = 393,963.61

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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.