Home / 714,403.62-1,071,605.46-215,767.62

Finding the Fourth Proportional to 714,403.62, 1,071,605.46 and 215,767.62

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Solution

The fourth proportional to 714,403.62, 1,071,605.46 and 215,767.62 is: 323,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,403.62 : 1,071,605.46 = 215,767.62 : x
  2. Step 2: Convert to fraction form
    714,403.62/1,071,605.46 = 215,767.62/x
  3. Step 3: Cross multiply
    714,403.62x = 1,071,605.46 × 215,767.62
  4. Step 4: Simplify right side
    714,403.62x = 231,217,759,683.21
  5. Step 5: Solve for x
    x = 231,217,759,683.21/714,403.62
  6. Step 6: Final answer
    x = 323,651.44

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Similar ratio
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1.5x scale

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.