Home / 1,690,714.20-2,538,323.10-981,251.40

Finding the Fourth Proportional to 1,690,714.20, 2,538,323.10 and 981,251.40

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Solution

The fourth proportional to 1,690,714.20, 2,538,323.10 and 981,251.40 is: 1,473,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,714.20 : 2,538,323.10 = 981,251.40 : x
  2. Step 2: Convert to fraction form
    1,690,714.20/2,538,323.10 = 981,251.40/x
  3. Step 3: Cross multiply
    1,690,714.20x = 2,538,323.10 × 981,251.40
  4. Step 4: Simplify right side
    1,690,714.20x = 2,490,733,095,527.34
  5. Step 5: Solve for x
    x = 2,490,733,095,527.34/1,690,714.20
  6. Step 6: Final answer
    x = 1,473,183.99

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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.