Home / 2,235,643.70-3,353,206.35-638,453.30

Finding the Fourth Proportional to 2,235,643.70, 3,353,206.35 and 638,453.30

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Solution

The fourth proportional to 2,235,643.70, 3,353,206.35 and 638,453.30 is: 957,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,643.70 : 3,353,206.35 = 638,453.30 : x
  2. Step 2: Convert to fraction form
    2,235,643.70/3,353,206.35 = 638,453.30/x
  3. Step 3: Cross multiply
    2,235,643.70x = 3,353,206.35 × 638,453.30
  4. Step 4: Simplify right side
    2,235,643.70x = 2,140,865,659,738.46
  5. Step 5: Solve for x
    x = 2,140,865,659,738.46/2,235,643.70
  6. Step 6: Final answer
    x = 957,605.93

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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.