Home / 1,271,098.64-1,905,879.64-512,053.59

Finding the Fourth Proportional to 1,271,098.64, 1,905,879.64 and 512,053.59

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Solution

The fourth proportional to 1,271,098.64, 1,905,879.64 and 512,053.59 is: 767,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,098.64 : 1,905,879.64 = 512,053.59 : x
  2. Step 2: Convert to fraction form
    1,271,098.64/1,905,879.64 = 512,053.59/x
  3. Step 3: Cross multiply
    1,271,098.64x = 1,905,879.64 × 512,053.59
  4. Step 4: Simplify right side
    1,271,098.64x = 975,912,511,769.91
  5. Step 5: Solve for x
    x = 975,912,511,769.91/1,271,098.64
  6. Step 6: Final answer
    x = 767,770.87

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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.