Home / 492,591.38-738,918.23-208,228.94

Finding the Fourth Proportional to 492,591.38, 738,918.23 and 208,228.94

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Solution

The fourth proportional to 492,591.38, 738,918.23 and 208,228.94 is: 312,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,591.38 : 738,918.23 = 208,228.94 : x
  2. Step 2: Convert to fraction form
    492,591.38/738,918.23 = 208,228.94/x
  3. Step 3: Cross multiply
    492,591.38x = 738,918.23 × 208,228.94
  4. Step 4: Simplify right side
    492,591.38x = 153,864,155,043.84
  5. Step 5: Solve for x
    x = 153,864,155,043.84/492,591.38
  6. Step 6: Final answer
    x = 312,356.58

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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.