Home / 526,788.93-726,968.72-285,071.50

Finding the Fourth Proportional to 526,788.93, 726,968.72 and 285,071.50

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Solution

The fourth proportional to 526,788.93, 726,968.72 and 285,071.50 is: 393,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,788.93 : 726,968.72 = 285,071.50 : x
  2. Step 2: Convert to fraction form
    526,788.93/726,968.72 = 285,071.50/x
  3. Step 3: Cross multiply
    526,788.93x = 726,968.72 × 285,071.50
  4. Step 4: Simplify right side
    526,788.93x = 207,238,058,403.28
  5. Step 5: Solve for x
    x = 207,238,058,403.28/526,788.93
  6. Step 6: Final answer
    x = 393,398.66

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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.