Home / 857,415.06-1,183,249.05-470,205.95

Finding the Fourth Proportional to 857,415.06, 1,183,249.05 and 470,205.95

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Solution

The fourth proportional to 857,415.06, 1,183,249.05 and 470,205.95 is: 648,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,415.06 : 1,183,249.05 = 470,205.95 : x
  2. Step 2: Convert to fraction form
    857,415.06/1,183,249.05 = 470,205.95/x
  3. Step 3: Cross multiply
    857,415.06x = 1,183,249.05 × 470,205.95
  4. Step 4: Simplify right side
    857,415.06x = 556,370,737,725.60
  5. Step 5: Solve for x
    x = 556,370,737,725.60/857,415.06
  6. Step 6: Final answer
    x = 648,893.13

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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.