Home / 691,113.34-1,036,599.94-185,608.63

Finding the Fourth Proportional to 691,113.34, 1,036,599.94 and 185,608.63

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Solution

The fourth proportional to 691,113.34, 1,036,599.94 and 185,608.63 is: 278,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,113.34 : 1,036,599.94 = 185,608.63 : x
  2. Step 2: Convert to fraction form
    691,113.34/1,036,599.94 = 185,608.63/x
  3. Step 3: Cross multiply
    691,113.34x = 1,036,599.94 × 185,608.63
  4. Step 4: Simplify right side
    691,113.34x = 192,401,894,721.48
  5. Step 5: Solve for x
    x = 192,401,894,721.48/691,113.34
  6. Step 6: Final answer
    x = 278,394.13

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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.