Home / 472,655.52-708,993-263,623.68

Finding the Fourth Proportional to 472,655.52, 708,993 and 263,623.68

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Solution

The fourth proportional to 472,655.52, 708,993 and 263,623.68 is: 395,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,655.52 : 708,993 = 263,623.68 : x
  2. Step 2: Convert to fraction form
    472,655.52/708,993 = 263,623.68/x
  3. Step 3: Cross multiply
    472,655.52x = 708,993 × 263,623.68
  4. Step 4: Simplify right side
    472,655.52x = 186,907,343,754.24
  5. Step 5: Solve for x
    x = 186,907,343,754.24/472,655.52
  6. Step 6: Final answer
    x = 395,440.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.