Home / 526,789.37-726,972.57-308,953.64

Finding the Fourth Proportional to 526,789.37, 726,972.57 and 308,953.64

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Solution

The fourth proportional to 526,789.37, 726,972.57 and 308,953.64 is: 426,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,789.37 : 726,972.57 = 308,953.64 : x
  2. Step 2: Convert to fraction form
    526,789.37/726,972.57 = 308,953.64/x
  3. Step 3: Cross multiply
    526,789.37x = 726,972.57 × 308,953.64
  4. Step 4: Simplify right side
    526,789.37x = 224,600,823,499.09
  5. Step 5: Solve for x
    x = 224,600,823,499.09/526,789.37
  6. Step 6: Final answer
    x = 426,357.92

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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.