Home / 1,639,394.04-2,262,359.37-914,242.56

Finding the Fourth Proportional to 1,639,394.04, 2,262,359.37 and 914,242.56

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Solution

The fourth proportional to 1,639,394.04, 2,262,359.37 and 914,242.56 is: 1,261,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,394.04 : 2,262,359.37 = 914,242.56 : x
  2. Step 2: Convert to fraction form
    1,639,394.04/2,262,359.37 = 914,242.56/x
  3. Step 3: Cross multiply
    1,639,394.04x = 2,262,359.37 × 914,242.56
  4. Step 4: Simplify right side
    1,639,394.04x = 2,068,345,222,068.79
  5. Step 5: Solve for x
    x = 2,068,345,222,068.79/1,639,394.04
  6. Step 6: Final answer
    x = 1,261,652.28

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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.