Home / 899,407.92-1,241,200.86-491,535.12

Finding the Fourth Proportional to 899,407.92, 1,241,200.86 and 491,535.12

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Solution

The fourth proportional to 899,407.92, 1,241,200.86 and 491,535.12 is: 678,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,407.92 : 1,241,200.86 = 491,535.12 : x
  2. Step 2: Convert to fraction form
    899,407.92/1,241,200.86 = 491,535.12/x
  3. Step 3: Cross multiply
    899,407.92x = 1,241,200.86 × 491,535.12
  4. Step 4: Simplify right side
    899,407.92x = 610,093,813,664.20
  5. Step 5: Solve for x
    x = 610,093,813,664.20/899,407.92
  6. Step 6: Final answer
    x = 678,328.26

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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.