Home / 823,415.40-1,235,123.10-673,824.60

Finding the Fourth Proportional to 823,415.40, 1,235,123.10 and 673,824.60

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Solution

The fourth proportional to 823,415.40, 1,235,123.10 and 673,824.60 is: 1,010,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,415.40 : 1,235,123.10 = 673,824.60 : x
  2. Step 2: Convert to fraction form
    823,415.40/1,235,123.10 = 673,824.60/x
  3. Step 3: Cross multiply
    823,415.40x = 1,235,123.10 × 673,824.60
  4. Step 4: Simplify right side
    823,415.40x = 832,256,328,808.26
  5. Step 5: Solve for x
    x = 832,256,328,808.26/823,415.40
  6. Step 6: Final answer
    x = 1,010,736.90

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1.5x scale

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.