Home / 526,788.22-726,967.74-285,070.79

Finding the Fourth Proportional to 526,788.22, 726,967.74 and 285,070.79

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Solution

The fourth proportional to 526,788.22, 726,967.74 and 285,070.79 is: 393,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,788.22 : 726,967.74 = 285,070.79 : x
  2. Step 2: Convert to fraction form
    526,788.22/726,967.74 = 285,070.79/x
  3. Step 3: Cross multiply
    526,788.22x = 726,967.74 × 285,070.79
  4. Step 4: Simplify right side
    526,788.22x = 207,237,270,832.75
  5. Step 5: Solve for x
    x = 207,237,270,832.75/526,788.22
  6. Step 6: Final answer
    x = 393,397.69

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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.