Home / 1,257,789.25-1,886,979.12-416,341

Finding the Fourth Proportional to 1,257,789.25, 1,886,979.12 and 416,341

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Solution

The fourth proportional to 1,257,789.25, 1,886,979.12 and 416,341 is: 624,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,789.25 : 1,886,979.12 = 416,341 : x
  2. Step 2: Convert to fraction form
    1,257,789.25/1,886,979.12 = 416,341/x
  3. Step 3: Cross multiply
    1,257,789.25x = 1,886,979.12 × 416,341
  4. Step 4: Simplify right side
    1,257,789.25x = 785,626,773,799.92
  5. Step 5: Solve for x
    x = 785,626,773,799.92/1,257,789.25
  6. Step 6: Final answer
    x = 624,609.23

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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.