Home / 821,674.49-1,238,120.25-675,196.06

Finding the Fourth Proportional to 821,674.49, 1,238,120.25 and 675,196.06

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Solution

The fourth proportional to 821,674.49, 1,238,120.25 and 675,196.06 is: 1,017,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,674.49 : 1,238,120.25 = 675,196.06 : x
  2. Step 2: Convert to fraction form
    821,674.49/1,238,120.25 = 675,196.06/x
  3. Step 3: Cross multiply
    821,674.49x = 1,238,120.25 × 675,196.06
  4. Step 4: Simplify right side
    821,674.49x = 835,973,915,098.38
  5. Step 5: Solve for x
    x = 835,973,915,098.38/821,674.49
  6. Step 6: Final answer
    x = 1,017,402.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.