Home / 1,690,171.67-2,332,433.06-915,823.64

Finding the Fourth Proportional to 1,690,171.67, 2,332,433.06 and 915,823.64

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Solution

The fourth proportional to 1,690,171.67, 2,332,433.06 and 915,823.64 is: 1,263,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,171.67 : 2,332,433.06 = 915,823.64 : x
  2. Step 2: Convert to fraction form
    1,690,171.67/2,332,433.06 = 915,823.64/x
  3. Step 3: Cross multiply
    1,690,171.67x = 2,332,433.06 × 915,823.64
  4. Step 4: Simplify right side
    1,690,171.67x = 2,136,097,318,824.26
  5. Step 5: Solve for x
    x = 2,136,097,318,824.26/1,690,171.67
  6. Step 6: Final answer
    x = 1,263,834.53

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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.