Home / 516,223.80-774,828.23-316,933.42

Finding the Fourth Proportional to 516,223.80, 774,828.23 and 316,933.42

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Solution

The fourth proportional to 516,223.80, 774,828.23 and 316,933.42 is: 475,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,223.80 : 774,828.23 = 316,933.42 : x
  2. Step 2: Convert to fraction form
    516,223.80/774,828.23 = 316,933.42/x
  3. Step 3: Cross multiply
    516,223.80x = 774,828.23 × 316,933.42
  4. Step 4: Simplify right side
    516,223.80x = 245,568,960,846.45
  5. Step 5: Solve for x
    x = 245,568,960,846.45/516,223.80
  6. Step 6: Final answer
    x = 475,702.52

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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.