Home / 1,079,405.36-1,619,613.64-531,999.35

Finding the Fourth Proportional to 1,079,405.36, 1,619,613.64 and 531,999.35

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Solution

The fourth proportional to 1,079,405.36, 1,619,613.64 and 531,999.35 is: 798,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,405.36 : 1,619,613.64 = 531,999.35 : x
  2. Step 2: Convert to fraction form
    1,079,405.36/1,619,613.64 = 531,999.35/x
  3. Step 3: Cross multiply
    1,079,405.36x = 1,619,613.64 × 531,999.35
  4. Step 4: Simplify right side
    1,079,405.36x = 861,633,406,450.17
  5. Step 5: Solve for x
    x = 861,633,406,450.17/1,079,405.36
  6. Step 6: Final answer
    x = 798,248.22

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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.