Home / 698,157.17-1,047,214.89-192,749.03

Finding the Fourth Proportional to 698,157.17, 1,047,214.89 and 192,749.03

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Solution

The fourth proportional to 698,157.17, 1,047,214.89 and 192,749.03 is: 289,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,157.17 : 1,047,214.89 = 192,749.03 : x
  2. Step 2: Convert to fraction form
    698,157.17/1,047,214.89 = 192,749.03/x
  3. Step 3: Cross multiply
    698,157.17x = 1,047,214.89 × 192,749.03
  4. Step 4: Simplify right side
    698,157.17x = 201,849,649,012.98
  5. Step 5: Solve for x
    x = 201,849,649,012.98/698,157.17
  6. Step 6: Final answer
    x = 289,117.78

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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.