Home / 698,158.17-1,047,216.39-192,750.03

Finding the Fourth Proportional to 698,158.17, 1,047,216.39 and 192,750.03

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Solution

The fourth proportional to 698,158.17, 1,047,216.39 and 192,750.03 is: 289,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,158.17 : 1,047,216.39 = 192,750.03 : x
  2. Step 2: Convert to fraction form
    698,158.17/1,047,216.39 = 192,750.03/x
  3. Step 3: Cross multiply
    698,158.17x = 1,047,216.39 × 192,750.03
  4. Step 4: Simplify right side
    698,158.17x = 201,850,990,588.99
  5. Step 5: Solve for x
    x = 201,850,990,588.99/698,158.17
  6. Step 6: Final answer
    x = 289,119.28

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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.