Home / 763,857.45-1,146,034.94-364,446.59

Finding the Fourth Proportional to 763,857.45, 1,146,034.94 and 364,446.59

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Solution

The fourth proportional to 763,857.45, 1,146,034.94 and 364,446.59 is: 546,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,857.45 : 1,146,034.94 = 364,446.59 : x
  2. Step 2: Convert to fraction form
    763,857.45/1,146,034.94 = 364,446.59/x
  3. Step 3: Cross multiply
    763,857.45x = 1,146,034.94 × 364,446.59
  4. Step 4: Simplify right side
    763,857.45x = 417,668,518,351.45
  5. Step 5: Solve for x
    x = 417,668,518,351.45/763,857.45
  6. Step 6: Final answer
    x = 546,788.56

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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.