Home / 823,104.08-1,240,825.44-768,237.72

Finding the Fourth Proportional to 823,104.08, 1,240,825.44 and 768,237.72

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Solution

The fourth proportional to 823,104.08, 1,240,825.44 and 768,237.72 is: 1,158,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,104.08 : 1,240,825.44 = 768,237.72 : x
  2. Step 2: Convert to fraction form
    823,104.08/1,240,825.44 = 768,237.72/x
  3. Step 3: Cross multiply
    823,104.08x = 1,240,825.44 × 768,237.72
  4. Step 4: Simplify right side
    823,104.08x = 953,248,906,943.60
  5. Step 5: Solve for x
    x = 953,248,906,943.60/823,104.08
  6. Step 6: Final answer
    x = 1,158,114.67

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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.