Home / 854,161.50-1,178,640.54-472,136.34

Finding the Fourth Proportional to 854,161.50, 1,178,640.54 and 472,136.34

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Solution

The fourth proportional to 854,161.50, 1,178,640.54 and 472,136.34 is: 651,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,161.50 : 1,178,640.54 = 472,136.34 : x
  2. Step 2: Convert to fraction form
    854,161.50/1,178,640.54 = 472,136.34/x
  3. Step 3: Cross multiply
    854,161.50x = 1,178,640.54 × 472,136.34
  4. Step 4: Simplify right side
    854,161.50x = 556,479,030,731.22
  5. Step 5: Solve for x
    x = 556,479,030,731.22/854,161.50
  6. Step 6: Final answer
    x = 651,491.59

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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.