Home / 567,110.34-782,611.65-312,461.46

Finding the Fourth Proportional to 567,110.34, 782,611.65 and 312,461.46

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Solution

The fourth proportional to 567,110.34, 782,611.65 and 312,461.46 is: 431,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,110.34 : 782,611.65 = 312,461.46 : x
  2. Step 2: Convert to fraction form
    567,110.34/782,611.65 = 312,461.46/x
  3. Step 3: Cross multiply
    567,110.34x = 782,611.65 × 312,461.46
  4. Step 4: Simplify right side
    567,110.34x = 244,535,978,772.01
  5. Step 5: Solve for x
    x = 244,535,978,772.01/567,110.34
  6. Step 6: Final answer
    x = 431,196.47

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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.