Home / 488,002.37-673,436.63-273,142.40

Finding the Fourth Proportional to 488,002.37, 673,436.63 and 273,142.40

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Solution

The fourth proportional to 488,002.37, 673,436.63 and 273,142.40 is: 376,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,002.37 : 673,436.63 = 273,142.40 : x
  2. Step 2: Convert to fraction form
    488,002.37/673,436.63 = 273,142.40/x
  3. Step 3: Cross multiply
    488,002.37x = 673,436.63 × 273,142.40
  4. Step 4: Simplify right side
    488,002.37x = 183,944,094,681.79
  5. Step 5: Solve for x
    x = 183,944,094,681.79/488,002.37
  6. Step 6: Final answer
    x = 376,932.79

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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.