Home / 1,405,606.20-1,938,944.70-889,199.88

Finding the Fourth Proportional to 1,405,606.20, 1,938,944.70 and 889,199.88

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Solution

The fourth proportional to 1,405,606.20, 1,938,944.70 and 889,199.88 is: 1,226,594.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,606.20 : 1,938,944.70 = 889,199.88 : x
  2. Step 2: Convert to fraction form
    1,405,606.20/1,938,944.70 = 889,199.88/x
  3. Step 3: Cross multiply
    1,405,606.20x = 1,938,944.70 × 889,199.88
  4. Step 4: Simplify right side
    1,405,606.20x = 1,724,109,394,566.64
  5. Step 5: Solve for x
    x = 1,724,109,394,566.64/1,405,606.20
  6. Step 6: Final answer
    x = 1,226,594.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.