Home / 1,145,196.30-1,717,794.45-397,317.90

Finding the Fourth Proportional to 1,145,196.30, 1,717,794.45 and 397,317.90

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Solution

The fourth proportional to 1,145,196.30, 1,717,794.45 and 397,317.90 is: 595,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,196.30 : 1,717,794.45 = 397,317.90 : x
  2. Step 2: Convert to fraction form
    1,145,196.30/1,717,794.45 = 397,317.90/x
  3. Step 3: Cross multiply
    1,145,196.30x = 1,717,794.45 × 397,317.90
  4. Step 4: Simplify right side
    1,145,196.30x = 682,510,483,505.66
  5. Step 5: Solve for x
    x = 682,510,483,505.66/1,145,196.30
  6. Step 6: Final answer
    x = 595,976.85

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Double scale
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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.