Home / 1,639,474.56-2,262,473.28-914,386.56

Finding the Fourth Proportional to 1,639,474.56, 2,262,473.28 and 914,386.56

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Solution

The fourth proportional to 1,639,474.56, 2,262,473.28 and 914,386.56 is: 1,261,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,474.56 : 2,262,473.28 = 914,386.56 : x
  2. Step 2: Convert to fraction form
    1,639,474.56/2,262,473.28 = 914,386.56/x
  3. Step 3: Cross multiply
    1,639,474.56x = 2,262,473.28 × 914,386.56
  4. Step 4: Simplify right side
    1,639,474.56x = 2,068,775,159,591.12
  5. Step 5: Solve for x
    x = 2,068,775,159,591.12/1,639,474.56
  6. Step 6: Final answer
    x = 1,261,852.55

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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.