Home / 833,362.78-1,150,040.70-451,389.68

Finding the Fourth Proportional to 833,362.78, 1,150,040.70 and 451,389.68

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Solution

The fourth proportional to 833,362.78, 1,150,040.70 and 451,389.68 is: 622,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,362.78 : 1,150,040.70 = 451,389.68 : x
  2. Step 2: Convert to fraction form
    833,362.78/1,150,040.70 = 451,389.68/x
  3. Step 3: Cross multiply
    833,362.78x = 1,150,040.70 × 451,389.68
  4. Step 4: Simplify right side
    833,362.78x = 519,116,503,559.98
  5. Step 5: Solve for x
    x = 519,116,503,559.98/833,362.78
  6. Step 6: Final answer
    x = 622,917.79

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1.5x scale

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.