Home / 698,172.34-1,047,237.56-192,764.18

Finding the Fourth Proportional to 698,172.34, 1,047,237.56 and 192,764.18

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Solution

The fourth proportional to 698,172.34, 1,047,237.56 and 192,764.18 is: 289,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,172.34 : 1,047,237.56 = 192,764.18 : x
  2. Step 2: Convert to fraction form
    698,172.34/1,047,237.56 = 192,764.18/x
  3. Step 3: Cross multiply
    698,172.34x = 1,047,237.56 × 192,764.18
  4. Step 4: Simplify right side
    698,172.34x = 201,869,889,518.60
  5. Step 5: Solve for x
    x = 201,869,889,518.60/698,172.34
  6. Step 6: Final answer
    x = 289,140.49

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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.