Home / 1,237,572.12-1,856,359.77-339,021.75

Finding the Fourth Proportional to 1,237,572.12, 1,856,359.77 and 339,021.75

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Solution

The fourth proportional to 1,237,572.12, 1,856,359.77 and 339,021.75 is: 508,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,572.12 : 1,856,359.77 = 339,021.75 : x
  2. Step 2: Convert to fraction form
    1,237,572.12/1,856,359.77 = 339,021.75/x
  3. Step 3: Cross multiply
    1,237,572.12x = 1,856,359.77 × 339,021.75
  4. Step 4: Simplify right side
    1,237,572.12x = 629,346,337,855.00
  5. Step 5: Solve for x
    x = 629,346,337,855.00/1,237,572.12
  6. Step 6: Final answer
    x = 508,533.06

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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.