Home / 1,241,005.59-1,861,513.25-820,187.91

Finding the Fourth Proportional to 1,241,005.59, 1,861,513.25 and 820,187.91

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Solution

The fourth proportional to 1,241,005.59, 1,861,513.25 and 820,187.91 is: 1,230,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,005.59 : 1,861,513.25 = 820,187.91 : x
  2. Step 2: Convert to fraction form
    1,241,005.59/1,861,513.25 = 820,187.91/x
  3. Step 3: Cross multiply
    1,241,005.59x = 1,861,513.25 × 820,187.91
  4. Step 4: Simplify right side
    1,241,005.59x = 1,526,790,661,954.81
  5. Step 5: Solve for x
    x = 1,526,790,661,954.81/1,241,005.59
  6. Step 6: Final answer
    x = 1,230,285.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.