Home / 526,788.06-726,967.52-285,070.64

Finding the Fourth Proportional to 526,788.06, 726,967.52 and 285,070.64

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Solution

The fourth proportional to 526,788.06, 726,967.52 and 285,070.64 is: 393,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,788.06 : 726,967.52 = 285,070.64 : x
  2. Step 2: Convert to fraction form
    526,788.06/726,967.52 = 285,070.64/x
  3. Step 3: Cross multiply
    526,788.06x = 726,967.52 × 285,070.64
  4. Step 4: Simplify right side
    526,788.06x = 207,237,093,263.45
  5. Step 5: Solve for x
    x = 207,237,093,263.45/526,788.06
  6. Step 6: Final answer
    x = 393,397.48

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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.