Home / 1,214,056.93-1,820,657.88-404,221.47

Finding the Fourth Proportional to 1,214,056.93, 1,820,657.88 and 404,221.47

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Solution

The fourth proportional to 1,214,056.93, 1,820,657.88 and 404,221.47 is: 606,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,056.93 : 1,820,657.88 = 404,221.47 : x
  2. Step 2: Convert to fraction form
    1,214,056.93/1,820,657.88 = 404,221.47/x
  3. Step 3: Cross multiply
    1,214,056.93x = 1,820,657.88 × 404,221.47
  4. Step 4: Simplify right side
    1,214,056.93x = 735,949,004,620.68
  5. Step 5: Solve for x
    x = 735,949,004,620.68/1,214,056.93
  6. Step 6: Final answer
    x = 606,189.86

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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.