Home / 925,859.79-1,277,657.15-517,968.77

Finding the Fourth Proportional to 925,859.79, 1,277,657.15 and 517,968.77

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Solution

The fourth proportional to 925,859.79, 1,277,657.15 and 517,968.77 is: 714,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,859.79 : 1,277,657.15 = 517,968.77 : x
  2. Step 2: Convert to fraction form
    925,859.79/1,277,657.15 = 517,968.77/x
  3. Step 3: Cross multiply
    925,859.79x = 1,277,657.15 × 517,968.77
  4. Step 4: Simplify right side
    925,859.79x = 661,786,493,489.08
  5. Step 5: Solve for x
    x = 661,786,493,489.08/925,859.79
  6. Step 6: Final answer
    x = 714,780.47

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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.