Home / 1,213,563.15-1,819,065.06-403,731.25

Finding the Fourth Proportional to 1,213,563.15, 1,819,065.06 and 403,731.25

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Solution

The fourth proportional to 1,213,563.15, 1,819,065.06 and 403,731.25 is: 605,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,563.15 : 1,819,065.06 = 403,731.25 : x
  2. Step 2: Convert to fraction form
    1,213,563.15/1,819,065.06 = 403,731.25/x
  3. Step 3: Cross multiply
    1,213,563.15x = 1,819,065.06 × 403,731.25
  4. Step 4: Simplify right side
    1,213,563.15x = 734,413,405,957.46
  5. Step 5: Solve for x
    x = 734,413,405,957.46/1,213,563.15
  6. Step 6: Final answer
    x = 605,171.15

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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.