Home / 662,511.51-914,834.23-641,087.79

Finding the Fourth Proportional to 662,511.51, 914,834.23 and 641,087.79

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Solution

The fourth proportional to 662,511.51, 914,834.23 and 641,087.79 is: 885,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,511.51 : 914,834.23 = 641,087.79 : x
  2. Step 2: Convert to fraction form
    662,511.51/914,834.23 = 641,087.79/x
  3. Step 3: Cross multiply
    662,511.51x = 914,834.23 × 641,087.79
  4. Step 4: Simplify right side
    662,511.51x = 586,489,054,727.05
  5. Step 5: Solve for x
    x = 586,489,054,727.05/662,511.51
  6. Step 6: Final answer
    x = 885,251.12

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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.