Home / 1,639,390.77-2,262,354.87-914,239.32

Finding the Fourth Proportional to 1,639,390.77, 2,262,354.87 and 914,239.32

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Solution

The fourth proportional to 1,639,390.77, 2,262,354.87 and 914,239.32 is: 1,261,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,390.77 : 2,262,354.87 = 914,239.32 : x
  2. Step 2: Convert to fraction form
    1,639,390.77/2,262,354.87 = 914,239.32/x
  3. Step 3: Cross multiply
    1,639,390.77x = 2,262,354.87 × 914,239.32
  4. Step 4: Simplify right side
    1,639,390.77x = 2,068,333,777,947.49
  5. Step 5: Solve for x
    x = 2,068,333,777,947.49/1,639,390.77
  6. Step 6: Final answer
    x = 1,261,647.81

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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.