Home / 1,257,795.26-1,886,988.12-416,347

Finding the Fourth Proportional to 1,257,795.26, 1,886,988.12 and 416,347

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Solution

The fourth proportional to 1,257,795.26, 1,886,988.12 and 416,347 is: 624,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,795.26 : 1,886,988.12 = 416,347 : x
  2. Step 2: Convert to fraction form
    1,257,795.26/1,886,988.12 = 416,347/x
  3. Step 3: Cross multiply
    1,257,795.26x = 1,886,988.12 × 416,347
  4. Step 4: Simplify right side
    1,257,795.26x = 785,641,842,797.64
  5. Step 5: Solve for x
    x = 785,641,842,797.64/1,257,795.26
  6. Step 6: Final answer
    x = 624,618.23

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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.