Home / 822,626.67-1,233,171.05-289,849.71

Finding the Fourth Proportional to 822,626.67, 1,233,171.05 and 289,849.71

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Solution

The fourth proportional to 822,626.67, 1,233,171.05 and 289,849.71 is: 434,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,626.67 : 1,233,171.05 = 289,849.71 : x
  2. Step 2: Convert to fraction form
    822,626.67/1,233,171.05 = 289,849.71/x
  3. Step 3: Cross multiply
    822,626.67x = 1,233,171.05 × 289,849.71
  4. Step 4: Simplify right side
    822,626.67x = 357,434,269,773.65
  5. Step 5: Solve for x
    x = 357,434,269,773.65/822,626.67
  6. Step 6: Final answer
    x = 434,503.62

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1.5x scale

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.