Home / 810,193.64-1,215,438.08-277,768.49

Finding the Fourth Proportional to 810,193.64, 1,215,438.08 and 277,768.49

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Solution

The fourth proportional to 810,193.64, 1,215,438.08 and 277,768.49 is: 416,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,193.64 : 1,215,438.08 = 277,768.49 : x
  2. Step 2: Convert to fraction form
    810,193.64/1,215,438.08 = 277,768.49/x
  3. Step 3: Cross multiply
    810,193.64x = 1,215,438.08 × 277,768.49
  4. Step 4: Simplify right side
    810,193.64x = 337,610,392,704.07
  5. Step 5: Solve for x
    x = 337,610,392,704.07/810,193.64
  6. Step 6: Final answer
    x = 416,703.34

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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.