Home / 1,638,823.59-2,458,206.23-627,671.43

Finding the Fourth Proportional to 1,638,823.59, 2,458,206.23 and 627,671.43

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Solution

The fourth proportional to 1,638,823.59, 2,458,206.23 and 627,671.43 is: 941,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,823.59 : 2,458,206.23 = 627,671.43 : x
  2. Step 2: Convert to fraction form
    1,638,823.59/2,458,206.23 = 627,671.43/x
  3. Step 3: Cross multiply
    1,638,823.59x = 2,458,206.23 × 627,671.43
  4. Step 4: Simplify right side
    1,638,823.59x = 1,542,945,816,480.65
  5. Step 5: Solve for x
    x = 1,542,945,816,480.65/1,638,823.59
  6. Step 6: Final answer
    x = 941,495.98

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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.