Home / 1,330,654.34-1,995,981.51-419,929.11

Finding the Fourth Proportional to 1,330,654.34, 1,995,981.51 and 419,929.11

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Solution

The fourth proportional to 1,330,654.34, 1,995,981.51 and 419,929.11 is: 629,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,654.34 : 1,995,981.51 = 419,929.11 : x
  2. Step 2: Convert to fraction form
    1,330,654.34/1,995,981.51 = 419,929.11/x
  3. Step 3: Cross multiply
    1,330,654.34x = 1,995,981.51 × 419,929.11
  4. Step 4: Simplify right side
    1,330,654.34x = 838,170,738,020.93
  5. Step 5: Solve for x
    x = 838,170,738,020.93/1,330,654.34
  6. Step 6: Final answer
    x = 629,893.66

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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.