Home / 648,921.36-973,408.84-222,749.92

Finding the Fourth Proportional to 648,921.36, 973,408.84 and 222,749.92

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Solution

The fourth proportional to 648,921.36, 973,408.84 and 222,749.92 is: 334,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,921.36 : 973,408.84 = 222,749.92 : x
  2. Step 2: Convert to fraction form
    648,921.36/973,408.84 = 222,749.92/x
  3. Step 3: Cross multiply
    648,921.36x = 973,408.84 × 222,749.92
  4. Step 4: Simplify right side
    648,921.36x = 216,826,741,237.29
  5. Step 5: Solve for x
    x = 216,826,741,237.29/648,921.36
  6. Step 6: Final answer
    x = 334,134.08

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1.5x scale

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.