Home / 926,235.50-1,389,158.82-261,231.98

Finding the Fourth Proportional to 926,235.50, 1,389,158.82 and 261,231.98

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Solution

The fourth proportional to 926,235.50, 1,389,158.82 and 261,231.98 is: 391,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,235.50 : 1,389,158.82 = 261,231.98 : x
  2. Step 2: Convert to fraction form
    926,235.50/1,389,158.82 = 261,231.98/x
  3. Step 3: Cross multiply
    926,235.50x = 1,389,158.82 × 261,231.98
  4. Step 4: Simplify right side
    926,235.50x = 362,892,709,083.06
  5. Step 5: Solve for x
    x = 362,892,709,083.06/926,235.50
  6. Step 6: Final answer
    x = 391,793.13

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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.