Home / 899,408.73-1,241,187.30-491,516.83

Finding the Fourth Proportional to 899,408.73, 1,241,187.30 and 491,516.83

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Solution

The fourth proportional to 899,408.73, 1,241,187.30 and 491,516.83 is: 678,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,408.73 : 1,241,187.30 = 491,516.83 : x
  2. Step 2: Convert to fraction form
    899,408.73/1,241,187.30 = 491,516.83/x
  3. Step 3: Cross multiply
    899,408.73x = 1,241,187.30 × 491,516.83
  4. Step 4: Simplify right side
    899,408.73x = 610,064,447,132.26
  5. Step 5: Solve for x
    x = 610,064,447,132.26/899,408.73
  6. Step 6: Final answer
    x = 678,295.00

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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.