Home / 685,773.40-946,479.42-410,113.24

Finding the Fourth Proportional to 685,773.40, 946,479.42 and 410,113.24

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Solution

The fourth proportional to 685,773.40, 946,479.42 and 410,113.24 is: 566,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,773.40 : 946,479.42 = 410,113.24 : x
  2. Step 2: Convert to fraction form
    685,773.40/946,479.42 = 410,113.24/x
  3. Step 3: Cross multiply
    685,773.40x = 946,479.42 × 410,113.24
  4. Step 4: Simplify right side
    685,773.40x = 388,163,741,529.52
  5. Step 5: Solve for x
    x = 388,163,741,529.52/685,773.40
  6. Step 6: Final answer
    x = 566,023.33

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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.