Home / 929,381.96-1,282,493.94-515,897.48

Finding the Fourth Proportional to 929,381.96, 1,282,493.94 and 515,897.48

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Solution

The fourth proportional to 929,381.96, 1,282,493.94 and 515,897.48 is: 711,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,381.96 : 1,282,493.94 = 515,897.48 : x
  2. Step 2: Convert to fraction form
    929,381.96/1,282,493.94 = 515,897.48/x
  3. Step 3: Cross multiply
    929,381.96x = 1,282,493.94 × 515,897.48
  4. Step 4: Simplify right side
    929,381.96x = 661,635,391,761.27
  5. Step 5: Solve for x
    x = 661,635,391,761.27/929,381.96
  6. Step 6: Final answer
    x = 711,909.01

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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.