Home / 411,971.50-614,868.44-385,067.26

Finding the Fourth Proportional to 411,971.50, 614,868.44 and 385,067.26

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Solution

The fourth proportional to 411,971.50, 614,868.44 and 385,067.26 is: 574,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,971.50 : 614,868.44 = 385,067.26 : x
  2. Step 2: Convert to fraction form
    411,971.50/614,868.44 = 385,067.26/x
  3. Step 3: Cross multiply
    411,971.50x = 614,868.44 × 385,067.26
  4. Step 4: Simplify right side
    411,971.50x = 236,765,705,451.27
  5. Step 5: Solve for x
    x = 236,765,705,451.27/411,971.50
  6. Step 6: Final answer
    x = 574,713.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.