Home / 851,900.25-1,176,056.18-657,872.35

Finding the Fourth Proportional to 851,900.25, 1,176,056.18 and 657,872.35

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Solution

The fourth proportional to 851,900.25, 1,176,056.18 and 657,872.35 is: 908,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,900.25 : 1,176,056.18 = 657,872.35 : x
  2. Step 2: Convert to fraction form
    851,900.25/1,176,056.18 = 657,872.35/x
  3. Step 3: Cross multiply
    851,900.25x = 1,176,056.18 × 657,872.35
  4. Step 4: Simplify right side
    851,900.25x = 773,694,839,106.14
  5. Step 5: Solve for x
    x = 773,694,839,106.14/851,900.25
  6. Step 6: Final answer
    x = 908,198.86

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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.