Home / 492,316.82-738,475.23-155,383.70

Finding the Fourth Proportional to 492,316.82, 738,475.23 and 155,383.70

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Solution

The fourth proportional to 492,316.82, 738,475.23 and 155,383.70 is: 233,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,316.82 : 738,475.23 = 155,383.70 : x
  2. Step 2: Convert to fraction form
    492,316.82/738,475.23 = 155,383.70/x
  3. Step 3: Cross multiply
    492,316.82x = 738,475.23 × 155,383.70
  4. Step 4: Simplify right side
    492,316.82x = 114,747,013,595.75
  5. Step 5: Solve for x
    x = 114,747,013,595.75/492,316.82
  6. Step 6: Final answer
    x = 233,075.55

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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.