Home / 1,769,680-2,654,530.08-439,984

Finding the Fourth Proportional to 1,769,680, 2,654,530.08 and 439,984

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Solution

The fourth proportional to 1,769,680, 2,654,530.08 and 439,984 is: 659,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,680 : 2,654,530.08 = 439,984 : x
  2. Step 2: Convert to fraction form
    1,769,680/2,654,530.08 = 439,984/x
  3. Step 3: Cross multiply
    1,769,680x = 2,654,530.08 × 439,984
  4. Step 4: Simplify right side
    1,769,680x = 1,167,950,762,718.72
  5. Step 5: Solve for x
    x = 1,167,950,762,718.72/1,769,680
  6. Step 6: Final answer
    x = 659,978.51

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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.