Home / 492,529.92-738,836.79-155,480.40

Finding the Fourth Proportional to 492,529.92, 738,836.79 and 155,480.40

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Solution

The fourth proportional to 492,529.92, 738,836.79 and 155,480.40 is: 233,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,529.92 : 738,836.79 = 155,480.40 : x
  2. Step 2: Convert to fraction form
    492,529.92/738,836.79 = 155,480.40/x
  3. Step 3: Cross multiply
    492,529.92x = 738,836.79 × 155,480.40
  4. Step 4: Simplify right side
    492,529.92x = 114,874,639,643.92
  5. Step 5: Solve for x
    x = 114,874,639,643.92/492,529.92
  6. Step 6: Final answer
    x = 233,233.83

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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.