Home / 1,217,921.88-1,826,383.32-364,692.96

Finding the Fourth Proportional to 1,217,921.88, 1,826,383.32 and 364,692.96

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Solution

The fourth proportional to 1,217,921.88, 1,826,383.32 and 364,692.96 is: 546,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,921.88 : 1,826,383.32 = 364,692.96 : x
  2. Step 2: Convert to fraction form
    1,217,921.88/1,826,383.32 = 364,692.96/x
  3. Step 3: Cross multiply
    1,217,921.88x = 1,826,383.32 × 364,692.96
  4. Step 4: Simplify right side
    1,217,921.88x = 666,069,139,065.43
  5. Step 5: Solve for x
    x = 666,069,139,065.43/1,217,921.88
  6. Step 6: Final answer
    x = 546,889.87

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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.