Home / 899,409.92-1,241,203.64-491,537.12

Finding the Fourth Proportional to 899,409.92, 1,241,203.64 and 491,537.12

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Solution

The fourth proportional to 899,409.92, 1,241,203.64 and 491,537.12 is: 678,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,409.92 : 1,241,203.64 = 491,537.12 : x
  2. Step 2: Convert to fraction form
    899,409.92/1,241,203.64 = 491,537.12/x
  3. Step 3: Cross multiply
    899,409.92x = 1,241,203.64 × 491,537.12
  4. Step 4: Simplify right side
    899,409.92x = 610,097,662,539.12
  5. Step 5: Solve for x
    x = 610,097,662,539.12/899,409.92
  6. Step 6: Final answer
    x = 678,331.04

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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.