Home / 1,237,709.68-1,856,566.14-339,159.40

Finding the Fourth Proportional to 1,237,709.68, 1,856,566.14 and 339,159.40

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Solution

The fourth proportional to 1,237,709.68, 1,856,566.14 and 339,159.40 is: 508,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,709.68 : 1,856,566.14 = 339,159.40 : x
  2. Step 2: Convert to fraction form
    1,237,709.68/1,856,566.14 = 339,159.40/x
  3. Step 3: Cross multiply
    1,237,709.68x = 1,856,566.14 × 339,159.40
  4. Step 4: Simplify right side
    1,237,709.68x = 629,671,858,102.72
  5. Step 5: Solve for x
    x = 629,671,858,102.72/1,237,709.68
  6. Step 6: Final answer
    x = 508,739.54

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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.