Home / 1,769,313.38-2,653,971.89-439,617.38

Finding the Fourth Proportional to 1,769,313.38, 2,653,971.89 and 439,617.38

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Solution

The fourth proportional to 1,769,313.38, 2,653,971.89 and 439,617.38 is: 659,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,313.38 : 2,653,971.89 = 439,617.38 : x
  2. Step 2: Convert to fraction form
    1,769,313.38/2,653,971.89 = 439,617.38/x
  3. Step 3: Cross multiply
    1,769,313.38x = 2,653,971.89 × 439,617.38
  4. Step 4: Simplify right side
    1,769,313.38x = 1,166,732,153,407.50
  5. Step 5: Solve for x
    x = 1,166,732,153,407.50/1,769,313.38
  6. Step 6: Final answer
    x = 659,426.52

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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.