Home / 905,898.61-1,359,220.40-400,192.69

Finding the Fourth Proportional to 905,898.61, 1,359,220.40 and 400,192.69

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Solution

The fourth proportional to 905,898.61, 1,359,220.40 and 400,192.69 is: 600,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,898.61 : 1,359,220.40 = 400,192.69 : x
  2. Step 2: Convert to fraction form
    905,898.61/1,359,220.40 = 400,192.69/x
  3. Step 3: Cross multiply
    905,898.61x = 1,359,220.40 × 400,192.69
  4. Step 4: Simplify right side
    905,898.61x = 543,950,066,177.91
  5. Step 5: Solve for x
    x = 543,950,066,177.91/905,898.61
  6. Step 6: Final answer
    x = 600,453.58

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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.