Home / 1,639,393.81-2,262,261.05-904,356.58

Finding the Fourth Proportional to 1,639,393.81, 2,262,261.05 and 904,356.58

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Solution

The fourth proportional to 1,639,393.81, 2,262,261.05 and 904,356.58 is: 1,247,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,393.81 : 2,262,261.05 = 904,356.58 : x
  2. Step 2: Convert to fraction form
    1,639,393.81/2,262,261.05 = 904,356.58/x
  3. Step 3: Cross multiply
    1,639,393.81x = 2,262,261.05 × 904,356.58
  4. Step 4: Simplify right side
    1,639,393.81x = 2,045,890,661,723.43
  5. Step 5: Solve for x
    x = 2,045,890,661,723.43/1,639,393.81
  6. Step 6: Final answer
    x = 1,247,955.59

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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.