Home / 903,481.70-1,353,415.53-543,453.81

Finding the Fourth Proportional to 903,481.70, 1,353,415.53 and 543,453.81

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Solution

The fourth proportional to 903,481.70, 1,353,415.53 and 543,453.81 is: 814,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,481.70 : 1,353,415.53 = 543,453.81 : x
  2. Step 2: Convert to fraction form
    903,481.70/1,353,415.53 = 543,453.81/x
  3. Step 3: Cross multiply
    903,481.70x = 1,353,415.53 × 543,453.81
  4. Step 4: Simplify right side
    903,481.70x = 735,518,823,254.31
  5. Step 5: Solve for x
    x = 735,518,823,254.31/903,481.70
  6. Step 6: Final answer
    x = 814,093.77

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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.