Home / 664,090.98-916,441.32-377,611.14

Finding the Fourth Proportional to 664,090.98, 916,441.32 and 377,611.14

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Solution

The fourth proportional to 664,090.98, 916,441.32 and 377,611.14 is: 521,100.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,090.98 : 916,441.32 = 377,611.14 : x
  2. Step 2: Convert to fraction form
    664,090.98/916,441.32 = 377,611.14/x
  3. Step 3: Cross multiply
    664,090.98x = 916,441.32 × 377,611.14
  4. Step 4: Simplify right side
    664,090.98x = 346,058,451,588.31
  5. Step 5: Solve for x
    x = 346,058,451,588.31/664,090.98
  6. Step 6: Final answer
    x = 521,100.97

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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.