Home / 695,145.17-959,273.77-389,192.93

Finding the Fourth Proportional to 695,145.17, 959,273.77 and 389,192.93

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Solution

The fourth proportional to 695,145.17, 959,273.77 and 389,192.93 is: 537,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,145.17 : 959,273.77 = 389,192.93 : x
  2. Step 2: Convert to fraction form
    695,145.17/959,273.77 = 389,192.93/x
  3. Step 3: Cross multiply
    695,145.17x = 959,273.77 × 389,192.93
  4. Step 4: Simplify right side
    695,145.17x = 373,342,567,272.48
  5. Step 5: Solve for x
    x = 373,342,567,272.48/695,145.17
  6. Step 6: Final answer
    x = 537,071.37

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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.