Home / 698,227.40-1,047,401.04-192,788.36

Finding the Fourth Proportional to 698,227.40, 1,047,401.04 and 192,788.36

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Solution

The fourth proportional to 698,227.40, 1,047,401.04 and 192,788.36 is: 289,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,227.40 : 1,047,401.04 = 192,788.36 : x
  2. Step 2: Convert to fraction form
    698,227.40/1,047,401.04 = 192,788.36/x
  3. Step 3: Cross multiply
    698,227.40x = 1,047,401.04 × 192,788.36
  4. Step 4: Simplify right side
    698,227.40x = 201,926,728,763.89
  5. Step 5: Solve for x
    x = 201,926,728,763.89/698,227.40
  6. Step 6: Final answer
    x = 289,199.09

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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.