Home / 1,666,361.30-2,299,445.42-941,279.28

Finding the Fourth Proportional to 1,666,361.30, 2,299,445.42 and 941,279.28

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Solution

The fourth proportional to 1,666,361.30, 2,299,445.42 and 941,279.28 is: 1,298,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,361.30 : 2,299,445.42 = 941,279.28 : x
  2. Step 2: Convert to fraction form
    1,666,361.30/2,299,445.42 = 941,279.28/x
  3. Step 3: Cross multiply
    1,666,361.30x = 2,299,445.42 × 941,279.28
  4. Step 4: Simplify right side
    1,666,361.30x = 2,164,420,329,336.90
  5. Step 5: Solve for x
    x = 2,164,420,329,336.90/1,666,361.30
  6. Step 6: Final answer
    x = 1,298,890.18

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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.