Home / 1,639,745.19-2,262,852.36-914,639.90

Finding the Fourth Proportional to 1,639,745.19, 2,262,852.36 and 914,639.90

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Solution

The fourth proportional to 1,639,745.19, 2,262,852.36 and 914,639.90 is: 1,262,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,745.19 : 2,262,852.36 = 914,639.90 : x
  2. Step 2: Convert to fraction form
    1,639,745.19/2,262,852.36 = 914,639.90/x
  3. Step 3: Cross multiply
    1,639,745.19x = 2,262,852.36 × 914,639.90
  4. Step 4: Simplify right side
    1,639,745.19x = 2,069,695,044,950.90
  5. Step 5: Solve for x
    x = 2,069,695,044,950.90/1,639,745.19
  6. Step 6: Final answer
    x = 1,262,205.29

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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.