Home / 526,837.78-727,036.19-285,122.10

Finding the Fourth Proportional to 526,837.78, 727,036.19 and 285,122.10

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Solution

The fourth proportional to 526,837.78, 727,036.19 and 285,122.10 is: 393,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,837.78 : 727,036.19 = 285,122.10 : x
  2. Step 2: Convert to fraction form
    526,837.78/727,036.19 = 285,122.10/x
  3. Step 3: Cross multiply
    526,837.78x = 727,036.19 × 285,122.10
  4. Step 4: Simplify right side
    526,837.78x = 207,294,085,268.80
  5. Step 5: Solve for x
    x = 207,294,085,268.80/526,837.78
  6. Step 6: Final answer
    x = 393,468.53

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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.