Home / 1,840,539.63-2,761,473.75-642,638.43

Finding the Fourth Proportional to 1,840,539.63, 2,761,473.75 and 642,638.43

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Solution

The fourth proportional to 1,840,539.63, 2,761,473.75 and 642,638.43 is: 964,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,539.63 : 2,761,473.75 = 642,638.43 : x
  2. Step 2: Convert to fraction form
    1,840,539.63/2,761,473.75 = 642,638.43/x
  3. Step 3: Cross multiply
    1,840,539.63x = 2,761,473.75 × 642,638.43
  4. Step 4: Simplify right side
    1,840,539.63x = 1,774,629,155,186.21
  5. Step 5: Solve for x
    x = 1,774,629,155,186.21/1,840,539.63
  6. Step 6: Final answer
    x = 964,189.59

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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.