Home / 785,667.80-1,179,326.32-696,282.38

Finding the Fourth Proportional to 785,667.80, 1,179,326.32 and 696,282.38

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Solution

The fourth proportional to 785,667.80, 1,179,326.32 and 696,282.38 is: 1,045,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,667.80 : 1,179,326.32 = 696,282.38 : x
  2. Step 2: Convert to fraction form
    785,667.80/1,179,326.32 = 696,282.38/x
  3. Step 3: Cross multiply
    785,667.80x = 1,179,326.32 × 696,282.38
  4. Step 4: Simplify right side
    785,667.80x = 821,144,133,671.38
  5. Step 5: Solve for x
    x = 821,144,133,671.38/785,667.80
  6. Step 6: Final answer
    x = 1,045,154.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.