Home / 1,805,072.60-2,707,588.01-438,854.05

Finding the Fourth Proportional to 1,805,072.60, 2,707,588.01 and 438,854.05

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Solution

The fourth proportional to 1,805,072.60, 2,707,588.01 and 438,854.05 is: 658,276.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,072.60 : 2,707,588.01 = 438,854.05 : x
  2. Step 2: Convert to fraction form
    1,805,072.60/2,707,588.01 = 438,854.05/x
  3. Step 3: Cross multiply
    1,805,072.60x = 2,707,588.01 × 438,854.05
  4. Step 4: Simplify right side
    1,805,072.60x = 1,188,235,968,401.56
  5. Step 5: Solve for x
    x = 1,188,235,968,401.56/1,805,072.60
  6. Step 6: Final answer
    x = 658,276.00

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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.