Home / 1,136,479.44-1,704,275.96-426,120.40

Finding the Fourth Proportional to 1,136,479.44, 1,704,275.96 and 426,120.40

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Solution

The fourth proportional to 1,136,479.44, 1,704,275.96 and 426,120.40 is: 639,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,479.44 : 1,704,275.96 = 426,120.40 : x
  2. Step 2: Convert to fraction form
    1,136,479.44/1,704,275.96 = 426,120.40/x
  3. Step 3: Cross multiply
    1,136,479.44x = 1,704,275.96 × 426,120.40
  4. Step 4: Simplify right side
    1,136,479.44x = 726,226,753,785.58
  5. Step 5: Solve for x
    x = 726,226,753,785.58/1,136,479.44
  6. Step 6: Final answer
    x = 639,014.42

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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.