Home / 773,003.32-1,159,835.46-399,288.76

Finding the Fourth Proportional to 773,003.32, 1,159,835.46 and 399,288.76

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Solution

The fourth proportional to 773,003.32, 1,159,835.46 and 399,288.76 is: 599,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,003.32 : 1,159,835.46 = 399,288.76 : x
  2. Step 2: Convert to fraction form
    773,003.32/1,159,835.46 = 399,288.76/x
  3. Step 3: Cross multiply
    773,003.32x = 1,159,835.46 × 399,288.76
  4. Step 4: Simplify right side
    773,003.32x = 463,109,258,230.51
  5. Step 5: Solve for x
    x = 463,109,258,230.51/773,003.32
  6. Step 6: Final answer
    x = 599,103.84

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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.