Home / 397,529.56-548,629.50-296,752.60

Finding the Fourth Proportional to 397,529.56, 548,629.50 and 296,752.60

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Solution

The fourth proportional to 397,529.56, 548,629.50 and 296,752.60 is: 409,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,529.56 : 548,629.50 = 296,752.60 : x
  2. Step 2: Convert to fraction form
    397,529.56/548,629.50 = 296,752.60/x
  3. Step 3: Cross multiply
    397,529.56x = 548,629.50 × 296,752.60
  4. Step 4: Simplify right side
    397,529.56x = 162,807,230,561.70
  5. Step 5: Solve for x
    x = 162,807,230,561.70/397,529.56
  6. Step 6: Final answer
    x = 409,547.48

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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.