Home / 1,211,225.16-1,817,118.97-412,513.62

Finding the Fourth Proportional to 1,211,225.16, 1,817,118.97 and 412,513.62

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Solution

The fourth proportional to 1,211,225.16, 1,817,118.97 and 412,513.62 is: 618,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,225.16 : 1,817,118.97 = 412,513.62 : x
  2. Step 2: Convert to fraction form
    1,211,225.16/1,817,118.97 = 412,513.62/x
  3. Step 3: Cross multiply
    1,211,225.16x = 1,817,118.97 × 412,513.62
  4. Step 4: Simplify right side
    1,211,225.16x = 749,586,324,285.37
  5. Step 5: Solve for x
    x = 749,586,324,285.37/1,211,225.16
  6. Step 6: Final answer
    x = 618,866.21

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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.