Home / 914,450.03-1,372,100.60-409,352.73

Finding the Fourth Proportional to 914,450.03, 1,372,100.60 and 409,352.73

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Solution

The fourth proportional to 914,450.03, 1,372,100.60 and 409,352.73 is: 614,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,450.03 : 1,372,100.60 = 409,352.73 : x
  2. Step 2: Convert to fraction form
    914,450.03/1,372,100.60 = 409,352.73/x
  3. Step 3: Cross multiply
    914,450.03x = 1,372,100.60 × 409,352.73
  4. Step 4: Simplify right side
    914,450.03x = 561,673,122,322.64
  5. Step 5: Solve for x
    x = 561,673,122,322.64/914,450.03
  6. Step 6: Final answer
    x = 614,219.59

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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.