Home / 492,520.91-738,823.28-155,471.40

Finding the Fourth Proportional to 492,520.91, 738,823.28 and 155,471.40

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Solution

The fourth proportional to 492,520.91, 738,823.28 and 155,471.40 is: 233,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,520.91 : 738,823.28 = 155,471.40 : x
  2. Step 2: Convert to fraction form
    492,520.91/738,823.28 = 155,471.40/x
  3. Step 3: Cross multiply
    492,520.91x = 738,823.28 × 155,471.40
  4. Step 4: Simplify right side
    492,520.91x = 114,865,888,916.84
  5. Step 5: Solve for x
    x = 114,865,888,916.84/492,520.91
  6. Step 6: Final answer
    x = 233,220.33

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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.