Home / 1,200,178.93-1,656,664.01-691,084.21

Finding the Fourth Proportional to 1,200,178.93, 1,656,664.01 and 691,084.21

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Solution

The fourth proportional to 1,200,178.93, 1,656,664.01 and 691,084.21 is: 953,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,178.93 : 1,656,664.01 = 691,084.21 : x
  2. Step 2: Convert to fraction form
    1,200,178.93/1,656,664.01 = 691,084.21/x
  3. Step 3: Cross multiply
    1,200,178.93x = 1,656,664.01 × 691,084.21
  4. Step 4: Simplify right side
    1,200,178.93x = 1,144,894,338,586.28
  5. Step 5: Solve for x
    x = 1,144,894,338,586.28/1,200,178.93
  6. Step 6: Final answer
    x = 953,936.38

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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.