Home / 697,440.98-1,045,162.44-397,301.86

Finding the Fourth Proportional to 697,440.98, 1,045,162.44 and 397,301.86

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Solution

The fourth proportional to 697,440.98, 1,045,162.44 and 397,301.86 is: 595,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,440.98 : 1,045,162.44 = 397,301.86 : x
  2. Step 2: Convert to fraction form
    697,440.98/1,045,162.44 = 397,301.86/x
  3. Step 3: Cross multiply
    697,440.98x = 1,045,162.44 × 397,301.86
  4. Step 4: Simplify right side
    697,440.98x = 415,244,982,720.59
  5. Step 5: Solve for x
    x = 415,244,982,720.59/697,440.98
  6. Step 6: Final answer
    x = 595,383.69

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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.