Home / 698,266-1,047,459.75-192,827.62

Finding the Fourth Proportional to 698,266, 1,047,459.75 and 192,827.62

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Solution

The fourth proportional to 698,266, 1,047,459.75 and 192,827.62 is: 289,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,266 : 1,047,459.75 = 192,827.62 : x
  2. Step 2: Convert to fraction form
    698,266/1,047,459.75 = 192,827.62/x
  3. Step 3: Cross multiply
    698,266x = 1,047,459.75 × 192,827.62
  4. Step 4: Simplify right side
    698,266x = 201,979,170,638.30
  5. Step 5: Solve for x
    x = 201,979,170,638.30/698,266
  6. Step 6: Final answer
    x = 289,258.21

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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.