Home / 614,221-921,458.94-259,237.96

Finding the Fourth Proportional to 614,221, 921,458.94 and 259,237.96

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Solution

The fourth proportional to 614,221, 921,458.94 and 259,237.96 is: 388,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,221 : 921,458.94 = 259,237.96 : x
  2. Step 2: Convert to fraction form
    614,221/921,458.94 = 259,237.96/x
  3. Step 3: Cross multiply
    614,221x = 921,458.94 × 259,237.96
  4. Step 4: Simplify right side
    614,221x = 238,877,135,829.36
  5. Step 5: Solve for x
    x = 238,877,135,829.36/614,221
  6. Step 6: Final answer
    x = 388,910.73

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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.