Home / 1,064,200-1,596,367.68-432,768.64

Finding the Fourth Proportional to 1,064,200, 1,596,367.68 and 432,768.64

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Solution

The fourth proportional to 1,064,200, 1,596,367.68 and 432,768.64 is: 649,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,200 : 1,596,367.68 = 432,768.64 : x
  2. Step 2: Convert to fraction form
    1,064,200/1,596,367.68 = 432,768.64/x
  3. Step 3: Cross multiply
    1,064,200x = 1,596,367.68 × 432,768.64
  4. Step 4: Simplify right side
    1,064,200x = 690,857,869,813.56
  5. Step 5: Solve for x
    x = 690,857,869,813.56/1,064,200
  6. Step 6: Final answer
    x = 649,180.48

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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.