Home / 1,666,344.20-2,299,555.14-902,399.72

Finding the Fourth Proportional to 1,666,344.20, 2,299,555.14 and 902,399.72

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Solution

The fourth proportional to 1,666,344.20, 2,299,555.14 and 902,399.72 is: 1,245,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,344.20 : 2,299,555.14 = 902,399.72 : x
  2. Step 2: Convert to fraction form
    1,666,344.20/2,299,555.14 = 902,399.72/x
  3. Step 3: Cross multiply
    1,666,344.20x = 2,299,555.14 × 902,399.72
  4. Step 4: Simplify right side
    1,666,344.20x = 2,075,117,914,460.56
  5. Step 5: Solve for x
    x = 2,075,117,914,460.56/1,666,344.20
  6. Step 6: Final answer
    x = 1,245,311.69

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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.