Home / 1,246,913.66-1,869,789.18-647,714

Finding the Fourth Proportional to 1,246,913.66, 1,869,789.18 and 647,714

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Solution

The fourth proportional to 1,246,913.66, 1,869,789.18 and 647,714 is: 971,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,913.66 : 1,869,789.18 = 647,714 : x
  2. Step 2: Convert to fraction form
    1,246,913.66/1,869,789.18 = 647,714/x
  3. Step 3: Cross multiply
    1,246,913.66x = 1,869,789.18 × 647,714
  4. Step 4: Simplify right side
    1,246,913.66x = 1,211,088,628,934.52
  5. Step 5: Solve for x
    x = 1,211,088,628,934.52/1,246,913.66
  6. Step 6: Final answer
    x = 971,269.04

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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.