Home / 665,426.04-997,842.60-191,998.92

Finding the Fourth Proportional to 665,426.04, 997,842.60 and 191,998.92

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Solution

The fourth proportional to 665,426.04, 997,842.60 and 191,998.92 is: 287,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,426.04 : 997,842.60 = 191,998.92 : x
  2. Step 2: Convert to fraction form
    665,426.04/997,842.60 = 191,998.92/x
  3. Step 3: Cross multiply
    665,426.04x = 997,842.60 × 191,998.92
  4. Step 4: Simplify right side
    665,426.04x = 191,584,701,529.99
  5. Step 5: Solve for x
    x = 191,584,701,529.99/665,426.04
  6. Step 6: Final answer
    x = 287,912.84

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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.