Home / 741,611.36-1,023,445.26-419,314.54

Finding the Fourth Proportional to 741,611.36, 1,023,445.26 and 419,314.54

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Solution

The fourth proportional to 741,611.36, 1,023,445.26 and 419,314.54 is: 578,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,611.36 : 1,023,445.26 = 419,314.54 : x
  2. Step 2: Convert to fraction form
    741,611.36/1,023,445.26 = 419,314.54/x
  3. Step 3: Cross multiply
    741,611.36x = 1,023,445.26 × 419,314.54
  4. Step 4: Simplify right side
    741,611.36x = 429,145,475,223.73
  5. Step 5: Solve for x
    x = 429,145,475,223.73/741,611.36
  6. Step 6: Final answer
    x = 578,666.27

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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.