Home / 741,556.85-1,023,376.01-419,247.72

Finding the Fourth Proportional to 741,556.85, 1,023,376.01 and 419,247.72

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Solution

The fourth proportional to 741,556.85, 1,023,376.01 and 419,247.72 is: 578,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,556.85 : 1,023,376.01 = 419,247.72 : x
  2. Step 2: Convert to fraction form
    741,556.85/1,023,376.01 = 419,247.72/x
  3. Step 3: Cross multiply
    741,556.85x = 1,023,376.01 × 419,247.72
  4. Step 4: Simplify right side
    741,556.85x = 429,048,056,798.96
  5. Step 5: Solve for x
    x = 429,048,056,798.96/741,556.85
  6. Step 6: Final answer
    x = 578,577.43

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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.