Home / 923,741.25-1,274,689.46-515,818.74

Finding the Fourth Proportional to 923,741.25, 1,274,689.46 and 515,818.74

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Solution

The fourth proportional to 923,741.25, 1,274,689.46 and 515,818.74 is: 711,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,741.25 : 1,274,689.46 = 515,818.74 : x
  2. Step 2: Convert to fraction form
    923,741.25/1,274,689.46 = 515,818.74/x
  3. Step 3: Cross multiply
    923,741.25x = 1,274,689.46 × 515,818.74
  4. Step 4: Simplify right side
    923,741.25x = 657,508,708,569.39
  5. Step 5: Solve for x
    x = 657,508,708,569.39/923,741.25
  6. Step 6: Final answer
    x = 711,788.84

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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.