Home / 698,171.58-1,047,236.45-192,763.40

Finding the Fourth Proportional to 698,171.58, 1,047,236.45 and 192,763.40

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Solution

The fourth proportional to 698,171.58, 1,047,236.45 and 192,763.40 is: 289,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,171.58 : 1,047,236.45 = 192,763.40 : x
  2. Step 2: Convert to fraction form
    698,171.58/1,047,236.45 = 192,763.40/x
  3. Step 3: Cross multiply
    698,171.58x = 1,047,236.45 × 192,763.40
  4. Step 4: Simplify right side
    698,171.58x = 201,868,852,505.93
  5. Step 5: Solve for x
    x = 201,868,852,505.93/698,171.58
  6. Step 6: Final answer
    x = 289,139.32

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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.