Home / 1,255,375.49-1,732,381.70-711,561.33

Finding the Fourth Proportional to 1,255,375.49, 1,732,381.70 and 711,561.33

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Solution

The fourth proportional to 1,255,375.49, 1,732,381.70 and 711,561.33 is: 981,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,375.49 : 1,732,381.70 = 711,561.33 : x
  2. Step 2: Convert to fraction form
    1,255,375.49/1,732,381.70 = 711,561.33/x
  3. Step 3: Cross multiply
    1,255,375.49x = 1,732,381.70 × 711,561.33
  4. Step 4: Simplify right side
    1,255,375.49x = 1,232,695,822,961.85
  5. Step 5: Solve for x
    x = 1,232,695,822,961.85/1,255,375.49
  6. Step 6: Final answer
    x = 981,933.96

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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.