Home / 526,968.64-727,217.16-285,250.47

Finding the Fourth Proportional to 526,968.64, 727,217.16 and 285,250.47

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Solution

The fourth proportional to 526,968.64, 727,217.16 and 285,250.47 is: 393,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,968.64 : 727,217.16 = 285,250.47 : x
  2. Step 2: Convert to fraction form
    526,968.64/727,217.16 = 285,250.47/x
  3. Step 3: Cross multiply
    526,968.64x = 727,217.16 × 285,250.47
  4. Step 4: Simplify right side
    526,968.64x = 207,439,036,682.07
  5. Step 5: Solve for x
    x = 207,439,036,682.07/526,968.64
  6. Step 6: Final answer
    x = 393,645.89

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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.