Home / 492,628.73-738,938.69-155,669.45

Finding the Fourth Proportional to 492,628.73, 738,938.69 and 155,669.45

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Solution

The fourth proportional to 492,628.73, 738,938.69 and 155,669.45 is: 233,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,628.73 : 738,938.69 = 155,669.45 : x
  2. Step 2: Convert to fraction form
    492,628.73/738,938.69 = 155,669.45/x
  3. Step 3: Cross multiply
    492,628.73x = 738,938.69 × 155,669.45
  4. Step 4: Simplify right side
    492,628.73x = 115,030,174,982.98
  5. Step 5: Solve for x
    x = 115,030,174,982.98/492,628.73
  6. Step 6: Final answer
    x = 233,502.77

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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.