Home / 828,517.09-1,143,253.16-460,907.37

Finding the Fourth Proportional to 828,517.09, 1,143,253.16 and 460,907.37

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Solution

The fourth proportional to 828,517.09, 1,143,253.16 and 460,907.37 is: 635,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,517.09 : 1,143,253.16 = 460,907.37 : x
  2. Step 2: Convert to fraction form
    828,517.09/1,143,253.16 = 460,907.37/x
  3. Step 3: Cross multiply
    828,517.09x = 1,143,253.16 × 460,907.37
  4. Step 4: Simplify right side
    828,517.09x = 526,933,804,915.25
  5. Step 5: Solve for x
    x = 526,933,804,915.25/828,517.09
  6. Step 6: Final answer
    x = 635,996.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.