Home / 705,586.84-973,789.26-399,684.04

Finding the Fourth Proportional to 705,586.84, 973,789.26 and 399,684.04

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Solution

The fourth proportional to 705,586.84, 973,789.26 and 399,684.04 is: 551,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,586.84 : 973,789.26 = 399,684.04 : x
  2. Step 2: Convert to fraction form
    705,586.84/973,789.26 = 399,684.04/x
  3. Step 3: Cross multiply
    705,586.84x = 973,789.26 × 399,684.04
  4. Step 4: Simplify right side
    705,586.84x = 389,208,025,545.41
  5. Step 5: Solve for x
    x = 389,208,025,545.41/705,586.84
  6. Step 6: Final answer
    x = 551,608.96

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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.