Home / 748,675.26-1,033,172.28-409,143.48

Finding the Fourth Proportional to 748,675.26, 1,033,172.28 and 409,143.48

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Solution

The fourth proportional to 748,675.26, 1,033,172.28 and 409,143.48 is: 564,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,675.26 : 1,033,172.28 = 409,143.48 : x
  2. Step 2: Convert to fraction form
    748,675.26/1,033,172.28 = 409,143.48/x
  3. Step 3: Cross multiply
    748,675.26x = 1,033,172.28 × 409,143.48
  4. Step 4: Simplify right side
    748,675.26x = 422,715,702,078.73
  5. Step 5: Solve for x
    x = 422,715,702,078.73/748,675.26
  6. Step 6: Final answer
    x = 564,618.23

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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.