Home / 1,296,256.60-1,944,384.90-981,328.60

Finding the Fourth Proportional to 1,296,256.60, 1,944,384.90 and 981,328.60

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Solution

The fourth proportional to 1,296,256.60, 1,944,384.90 and 981,328.60 is: 1,471,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,256.60 : 1,944,384.90 = 981,328.60 : x
  2. Step 2: Convert to fraction form
    1,296,256.60/1,944,384.90 = 981,328.60/x
  3. Step 3: Cross multiply
    1,296,256.60x = 1,944,384.90 × 981,328.60
  4. Step 4: Simplify right side
    1,296,256.60x = 1,908,080,511,778.14
  5. Step 5: Solve for x
    x = 1,908,080,511,778.14/1,296,256.60
  6. Step 6: Final answer
    x = 1,471,992.90

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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.