Home / 1,211,187.94-1,817,063.35-412,476.41

Finding the Fourth Proportional to 1,211,187.94, 1,817,063.35 and 412,476.41

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Solution

The fourth proportional to 1,211,187.94, 1,817,063.35 and 412,476.41 is: 618,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,187.94 : 1,817,063.35 = 412,476.41 : x
  2. Step 2: Convert to fraction form
    1,211,187.94/1,817,063.35 = 412,476.41/x
  3. Step 3: Cross multiply
    1,211,187.94x = 1,817,063.35 × 412,476.41
  4. Step 4: Simplify right side
    1,211,187.94x = 749,495,770,862.04
  5. Step 5: Solve for x
    x = 749,495,770,862.04/1,211,187.94
  6. Step 6: Final answer
    x = 618,810.47

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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.