Home / 1,210,312.94-1,814,944.46-411,379.97

Finding the Fourth Proportional to 1,210,312.94, 1,814,944.46 and 411,379.97

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Solution

The fourth proportional to 1,210,312.94, 1,814,944.46 and 411,379.97 is: 616,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,312.94 : 1,814,944.46 = 411,379.97 : x
  2. Step 2: Convert to fraction form
    1,210,312.94/1,814,944.46 = 411,379.97/x
  3. Step 3: Cross multiply
    1,210,312.94x = 1,814,944.46 × 411,379.97
  4. Step 4: Simplify right side
    1,210,312.94x = 746,631,786,374.84
  5. Step 5: Solve for x
    x = 746,631,786,374.84/1,210,312.94
  6. Step 6: Final answer
    x = 616,891.52

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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.