Home / 2,056,561.56-3,084,985.94-636,430.68

Finding the Fourth Proportional to 2,056,561.56, 3,084,985.94 and 636,430.68

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Solution

The fourth proportional to 2,056,561.56, 3,084,985.94 and 636,430.68 is: 954,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056,561.56 : 3,084,985.94 = 636,430.68 : x
  2. Step 2: Convert to fraction form
    2,056,561.56/3,084,985.94 = 636,430.68/x
  3. Step 3: Cross multiply
    2,056,561.56x = 3,084,985.94 × 636,430.68
  4. Step 4: Simplify right side
    2,056,561.56x = 1,963,379,699,584.64
  5. Step 5: Solve for x
    x = 1,963,379,699,584.64/2,056,561.56
  6. Step 6: Final answer
    x = 954,690.46

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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.