Home / 1,040,235.90-1,560,652.74-432,906

Finding the Fourth Proportional to 1,040,235.90, 1,560,652.74 and 432,906

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Solution

The fourth proportional to 1,040,235.90, 1,560,652.74 and 432,906 is: 649,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,235.90 : 1,560,652.74 = 432,906 : x
  2. Step 2: Convert to fraction form
    1,040,235.90/1,560,652.74 = 432,906/x
  3. Step 3: Cross multiply
    1,040,235.90x = 1,560,652.74 × 432,906
  4. Step 4: Simplify right side
    1,040,235.90x = 675,615,935,062.44
  5. Step 5: Solve for x
    x = 675,615,935,062.44/1,040,235.90
  6. Step 6: Final answer
    x = 649,483.39

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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.