Home / 854,065.85-1,178,611.17-472,092.53

Finding the Fourth Proportional to 854,065.85, 1,178,611.17 and 472,092.53

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Solution

The fourth proportional to 854,065.85, 1,178,611.17 and 472,092.53 is: 651,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,065.85 : 1,178,611.17 = 472,092.53 : x
  2. Step 2: Convert to fraction form
    854,065.85/1,178,611.17 = 472,092.53/x
  3. Step 3: Cross multiply
    854,065.85x = 1,178,611.17 × 472,092.53
  4. Step 4: Simplify right side
    854,065.85x = 556,413,529,131.56
  5. Step 5: Solve for x
    x = 556,413,529,131.56/854,065.85
  6. Step 6: Final answer
    x = 651,487.86

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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.