Home / 1,308,545.19-1,805,525.43-764,575.77

Finding the Fourth Proportional to 1,308,545.19, 1,805,525.43 and 764,575.77

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Solution

The fourth proportional to 1,308,545.19, 1,805,525.43 and 764,575.77 is: 1,054,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,545.19 : 1,805,525.43 = 764,575.77 : x
  2. Step 2: Convert to fraction form
    1,308,545.19/1,805,525.43 = 764,575.77/x
  3. Step 3: Cross multiply
    1,308,545.19x = 1,805,525.43 × 764,575.77
  4. Step 4: Simplify right side
    1,308,545.19x = 1,380,460,995,896.83
  5. Step 5: Solve for x
    x = 1,380,460,995,896.83/1,308,545.19
  6. Step 6: Final answer
    x = 1,054,958.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.