Home / 492,828.60-739,097.10-193,136.70

Finding the Fourth Proportional to 492,828.60, 739,097.10 and 193,136.70

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Solution

The fourth proportional to 492,828.60, 739,097.10 and 193,136.70 is: 289,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,828.60 : 739,097.10 = 193,136.70 : x
  2. Step 2: Convert to fraction form
    492,828.60/739,097.10 = 193,136.70/x
  3. Step 3: Cross multiply
    492,828.60x = 739,097.10 × 193,136.70
  4. Step 4: Simplify right side
    492,828.60x = 142,746,774,873.57
  5. Step 5: Solve for x
    x = 142,746,774,873.57/492,828.60
  6. Step 6: Final answer
    x = 289,647.91

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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.