Home / 925,904.86-1,277,798.35-517,982.38

Finding the Fourth Proportional to 925,904.86, 1,277,798.35 and 517,982.38

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Solution

The fourth proportional to 925,904.86, 1,277,798.35 and 517,982.38 is: 714,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,904.86 : 1,277,798.35 = 517,982.38 : x
  2. Step 2: Convert to fraction form
    925,904.86/1,277,798.35 = 517,982.38/x
  3. Step 3: Cross multiply
    925,904.86x = 1,277,798.35 × 517,982.38
  4. Step 4: Simplify right side
    925,904.86x = 661,877,030,493.07
  5. Step 5: Solve for x
    x = 661,877,030,493.07/925,904.86
  6. Step 6: Final answer
    x = 714,843.46

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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.