Home / 526,788.88-726,968.66-285,071.45

Finding the Fourth Proportional to 526,788.88, 726,968.66 and 285,071.45

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Solution

The fourth proportional to 526,788.88, 726,968.66 and 285,071.45 is: 393,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,788.88 : 726,968.66 = 285,071.45 : x
  2. Step 2: Convert to fraction form
    526,788.88/726,968.66 = 285,071.45/x
  3. Step 3: Cross multiply
    526,788.88x = 726,968.66 × 285,071.45
  4. Step 4: Simplify right side
    526,788.88x = 207,238,010,242.40
  5. Step 5: Solve for x
    x = 207,238,010,242.40/526,788.88
  6. Step 6: Final answer
    x = 393,398.61

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1.5x scale

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.