Home / 665,414.04-997,824.60-191,986.92

Finding the Fourth Proportional to 665,414.04, 997,824.60 and 191,986.92

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Solution

The fourth proportional to 665,414.04, 997,824.60 and 191,986.92 is: 287,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,414.04 : 997,824.60 = 191,986.92 : x
  2. Step 2: Convert to fraction form
    665,414.04/997,824.60 = 191,986.92/x
  3. Step 3: Cross multiply
    665,414.04x = 997,824.60 × 191,986.92
  4. Step 4: Simplify right side
    665,414.04x = 191,569,271,654.23
  5. Step 5: Solve for x
    x = 191,569,271,654.23/665,414.04
  6. Step 6: Final answer
    x = 287,894.84

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1.5x scale

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.