Home / 1,205,605.20-1,808,710.20-531,814.80

Finding the Fourth Proportional to 1,205,605.20, 1,808,710.20 and 531,814.80

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Solution

The fourth proportional to 1,205,605.20, 1,808,710.20 and 531,814.80 is: 797,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,605.20 : 1,808,710.20 = 531,814.80 : x
  2. Step 2: Convert to fraction form
    1,205,605.20/1,808,710.20 = 531,814.80/x
  3. Step 3: Cross multiply
    1,205,605.20x = 1,808,710.20 × 531,814.80
  4. Step 4: Simplify right side
    1,205,605.20x = 961,898,853,270.96
  5. Step 5: Solve for x
    x = 961,898,853,270.96/1,205,605.20
  6. Step 6: Final answer
    x = 797,855.59

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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.