Home / 697,187.30-962,062.04-391,221.14

Finding the Fourth Proportional to 697,187.30, 962,062.04 and 391,221.14

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Solution

The fourth proportional to 697,187.30, 962,062.04 and 391,221.14 is: 539,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,187.30 : 962,062.04 = 391,221.14 : x
  2. Step 2: Convert to fraction form
    697,187.30/962,062.04 = 391,221.14/x
  3. Step 3: Cross multiply
    697,187.30x = 962,062.04 × 391,221.14
  4. Step 4: Simplify right side
    697,187.30x = 376,379,004,207.27
  5. Step 5: Solve for x
    x = 376,379,004,207.27/697,187.30
  6. Step 6: Final answer
    x = 539,853.50

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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.