Home / 488,178.03-673,628.08-281,444.11

Finding the Fourth Proportional to 488,178.03, 673,628.08 and 281,444.11

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Solution

The fourth proportional to 488,178.03, 673,628.08 and 281,444.11 is: 388,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,178.03 : 673,628.08 = 281,444.11 : x
  2. Step 2: Convert to fraction form
    488,178.03/673,628.08 = 281,444.11/x
  3. Step 3: Cross multiply
    488,178.03x = 673,628.08 × 281,444.11
  4. Step 4: Simplify right side
    488,178.03x = 189,588,655,446.61
  5. Step 5: Solve for x
    x = 189,588,655,446.61/488,178.03
  6. Step 6: Final answer
    x = 388,359.66

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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.