Home / 1,189,762.08-1,642,081.38-673,545.45

Finding the Fourth Proportional to 1,189,762.08, 1,642,081.38 and 673,545.45

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Solution

The fourth proportional to 1,189,762.08, 1,642,081.38 and 673,545.45 is: 929,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,762.08 : 1,642,081.38 = 673,545.45 : x
  2. Step 2: Convert to fraction form
    1,189,762.08/1,642,081.38 = 673,545.45/x
  3. Step 3: Cross multiply
    1,189,762.08x = 1,642,081.38 × 673,545.45
  4. Step 4: Simplify right side
    1,189,762.08x = 1,106,016,442,028.72
  5. Step 5: Solve for x
    x = 1,106,016,442,028.72/1,189,762.08
  6. Step 6: Final answer
    x = 929,611.44

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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.