Home / 697,243.17-1,045,727.04-191,673.69

Finding the Fourth Proportional to 697,243.17, 1,045,727.04 and 191,673.69

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Solution

The fourth proportional to 697,243.17, 1,045,727.04 and 191,673.69 is: 287,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,243.17 : 1,045,727.04 = 191,673.69 : x
  2. Step 2: Convert to fraction form
    697,243.17/1,045,727.04 = 191,673.69/x
  3. Step 3: Cross multiply
    697,243.17x = 1,045,727.04 × 191,673.69
  4. Step 4: Simplify right side
    697,243.17x = 200,438,361,551.85
  5. Step 5: Solve for x
    x = 200,438,361,551.85/697,243.17
  6. Step 6: Final answer
    x = 287,472.68

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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.