Home / 5,329,345.41-7,993,943.87-1,285,799.31

Finding the Fourth Proportional to 5,329,345.41, 7,993,943.87 and 1,285,799.31

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Solution

The fourth proportional to 5,329,345.41, 7,993,943.87 and 1,285,799.31 is: 1,928,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,345.41 : 7,993,943.87 = 1,285,799.31 : x
  2. Step 2: Convert to fraction form
    5,329,345.41/7,993,943.87 = 1,285,799.31/x
  3. Step 3: Cross multiply
    5,329,345.41x = 7,993,943.87 × 1,285,799.31
  4. Step 4: Simplify right side
    5,329,345.41x = 10,278,607,505,795.73
  5. Step 5: Solve for x
    x = 10,278,607,505,795.73/5,329,345.41
  6. Step 6: Final answer
    x = 1,928,681.05

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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.