Home / 1,296,234.40-1,944,351.60-1,186,009.60

Finding the Fourth Proportional to 1,296,234.40, 1,944,351.60 and 1,186,009.60

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Solution

The fourth proportional to 1,296,234.40, 1,944,351.60 and 1,186,009.60 is: 1,779,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,234.40 : 1,944,351.60 = 1,186,009.60 : x
  2. Step 2: Convert to fraction form
    1,296,234.40/1,944,351.60 = 1,186,009.60/x
  3. Step 3: Cross multiply
    1,296,234.40x = 1,944,351.60 × 1,186,009.60
  4. Step 4: Simplify right side
    1,296,234.40x = 2,306,019,663,375.36
  5. Step 5: Solve for x
    x = 2,306,019,663,375.36/1,296,234.40
  6. Step 6: Final answer
    x = 1,779,014.40

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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.