Home / 739,984.50-1,021,185.99-400,460.04

Finding the Fourth Proportional to 739,984.50, 1,021,185.99 and 400,460.04

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Solution

The fourth proportional to 739,984.50, 1,021,185.99 and 400,460.04 is: 552,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,984.50 : 1,021,185.99 = 400,460.04 : x
  2. Step 2: Convert to fraction form
    739,984.50/1,021,185.99 = 400,460.04/x
  3. Step 3: Cross multiply
    739,984.50x = 1,021,185.99 × 400,460.04
  4. Step 4: Simplify right side
    739,984.50x = 408,944,182,402.84
  5. Step 5: Solve for x
    x = 408,944,182,402.84/739,984.50
  6. Step 6: Final answer
    x = 552,638.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.