Home / 829,270.81-1,244,474.32-289,527.16

Finding the Fourth Proportional to 829,270.81, 1,244,474.32 and 289,527.16

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Solution

The fourth proportional to 829,270.81, 1,244,474.32 and 289,527.16 is: 434,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,270.81 : 1,244,474.32 = 289,527.16 : x
  2. Step 2: Convert to fraction form
    829,270.81/1,244,474.32 = 289,527.16/x
  3. Step 3: Cross multiply
    829,270.81x = 1,244,474.32 × 289,527.16
  4. Step 4: Simplify right side
    829,270.81x = 360,309,115,562.53
  5. Step 5: Solve for x
    x = 360,309,115,562.53/829,270.81
  6. Step 6: Final answer
    x = 434,489.09

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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.