Home / 1,620,488.70-2,236,319.52-895,383.15

Finding the Fourth Proportional to 1,620,488.70, 2,236,319.52 and 895,383.15

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Solution

The fourth proportional to 1,620,488.70, 2,236,319.52 and 895,383.15 is: 1,235,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,488.70 : 2,236,319.52 = 895,383.15 : x
  2. Step 2: Convert to fraction form
    1,620,488.70/2,236,319.52 = 895,383.15/x
  3. Step 3: Cross multiply
    1,620,488.70x = 2,236,319.52 × 895,383.15
  4. Step 4: Simplify right side
    1,620,488.70x = 2,002,362,817,692.12
  5. Step 5: Solve for x
    x = 2,002,362,817,692.12/1,620,488.70
  6. Step 6: Final answer
    x = 1,235,653.68

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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.