Home / 1,639,933.62-2,263,111.98-914,828.28

Finding the Fourth Proportional to 1,639,933.62, 2,263,111.98 and 914,828.28

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Solution

The fourth proportional to 1,639,933.62, 2,263,111.98 and 914,828.28 is: 1,262,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,933.62 : 2,263,111.98 = 914,828.28 : x
  2. Step 2: Convert to fraction form
    1,639,933.62/2,263,111.98 = 914,828.28/x
  3. Step 3: Cross multiply
    1,639,933.62x = 2,263,111.98 × 914,828.28
  4. Step 4: Simplify right side
    1,639,933.62x = 2,070,358,840,110.79
  5. Step 5: Solve for x
    x = 2,070,358,840,110.79/1,639,933.62
  6. Step 6: Final answer
    x = 1,262,465.03

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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.