Home / 381,823.40-571,568.70-297,842.60

Finding the Fourth Proportional to 381,823.40, 571,568.70 and 297,842.60

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Solution

The fourth proportional to 381,823.40, 571,568.70 and 297,842.60 is: 445,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,823.40 : 571,568.70 = 297,842.60 : x
  2. Step 2: Convert to fraction form
    381,823.40/571,568.70 = 297,842.60/x
  3. Step 3: Cross multiply
    381,823.40x = 571,568.70 × 297,842.60
  4. Step 4: Simplify right side
    381,823.40x = 170,237,507,686.62
  5. Step 5: Solve for x
    x = 170,237,507,686.62/381,823.40
  6. Step 6: Final answer
    x = 445,854.05

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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.