Home / 899,333.88-1,241,083.97-491,435.71

Finding the Fourth Proportional to 899,333.88, 1,241,083.97 and 491,435.71

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Solution

The fourth proportional to 899,333.88, 1,241,083.97 and 491,435.71 is: 678,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,333.88 : 1,241,083.97 = 491,435.71 : x
  2. Step 2: Convert to fraction form
    899,333.88/1,241,083.97 = 491,435.71/x
  3. Step 3: Cross multiply
    899,333.88x = 1,241,083.97 × 491,435.71
  4. Step 4: Simplify right side
    899,333.88x = 609,912,982,903.63
  5. Step 5: Solve for x
    x = 609,912,982,903.63/899,333.88
  6. Step 6: Final answer
    x = 678,183.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.