Home / 695,152.56-959,231.23-389,186.40

Finding the Fourth Proportional to 695,152.56, 959,231.23 and 389,186.40

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Solution

The fourth proportional to 695,152.56, 959,231.23 and 389,186.40 is: 537,032.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,152.56 : 959,231.23 = 389,186.40 : x
  2. Step 2: Convert to fraction form
    695,152.56/959,231.23 = 389,186.40/x
  3. Step 3: Cross multiply
    695,152.56x = 959,231.23 × 389,186.40
  4. Step 4: Simplify right side
    695,152.56x = 373,319,749,171.27
  5. Step 5: Solve for x
    x = 373,319,749,171.27/695,152.56
  6. Step 6: Final answer
    x = 537,032.83

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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.