Home / 938,676.44-1,405,975.62-577,747.16

Finding the Fourth Proportional to 938,676.44, 1,405,975.62 and 577,747.16

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Solution

The fourth proportional to 938,676.44, 1,405,975.62 and 577,747.16 is: 865,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,676.44 : 1,405,975.62 = 577,747.16 : x
  2. Step 2: Convert to fraction form
    938,676.44/1,405,975.62 = 577,747.16/x
  3. Step 3: Cross multiply
    938,676.44x = 1,405,975.62 × 577,747.16
  4. Step 4: Simplify right side
    938,676.44x = 812,298,421,484.24
  5. Step 5: Solve for x
    x = 812,298,421,484.24/938,676.44
  6. Step 6: Final answer
    x = 865,365.73

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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.