Home / 1,638,914.52-2,458,371.96-517,071

Finding the Fourth Proportional to 1,638,914.52, 2,458,371.96 and 517,071

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Solution

The fourth proportional to 1,638,914.52, 2,458,371.96 and 517,071 is: 775,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,914.52 : 2,458,371.96 = 517,071 : x
  2. Step 2: Convert to fraction form
    1,638,914.52/2,458,371.96 = 517,071/x
  3. Step 3: Cross multiply
    1,638,914.52x = 2,458,371.96 × 517,071
  4. Step 4: Simplify right side
    1,638,914.52x = 1,271,152,847,729.16
  5. Step 5: Solve for x
    x = 1,271,152,847,729.16/1,638,914.52
  6. Step 6: Final answer
    x = 775,606.56

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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.