Home / 666,963.16-999,559.01-382,789.85

Finding the Fourth Proportional to 666,963.16, 999,559.01 and 382,789.85

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Solution

The fourth proportional to 666,963.16, 999,559.01 and 382,789.85 is: 573,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,963.16 : 999,559.01 = 382,789.85 : x
  2. Step 2: Convert to fraction form
    666,963.16/999,559.01 = 382,789.85/x
  3. Step 3: Cross multiply
    666,963.16x = 999,559.01 × 382,789.85
  4. Step 4: Simplify right side
    666,963.16x = 382,621,044,009.15
  5. Step 5: Solve for x
    x = 382,621,044,009.15/666,963.16
  6. Step 6: Final answer
    x = 573,676.43

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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.