Home / 899,407.73-1,241,185.92-491,515.83

Finding the Fourth Proportional to 899,407.73, 1,241,185.92 and 491,515.83

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Solution

The fourth proportional to 899,407.73, 1,241,185.92 and 491,515.83 is: 678,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,407.73 : 1,241,185.92 = 491,515.83 : x
  2. Step 2: Convert to fraction form
    899,407.73/1,241,185.92 = 491,515.83/x
  3. Step 3: Cross multiply
    899,407.73x = 1,241,185.92 × 491,515.83
  4. Step 4: Simplify right side
    899,407.73x = 610,062,525,809.93
  5. Step 5: Solve for x
    x = 610,062,525,809.93/899,407.73
  6. Step 6: Final answer
    x = 678,293.62

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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.