Home / 864,981.38-1,193,669.53-477,823.39

Finding the Fourth Proportional to 864,981.38, 1,193,669.53 and 477,823.39

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Solution

The fourth proportional to 864,981.38, 1,193,669.53 and 477,823.39 is: 659,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,981.38 : 1,193,669.53 = 477,823.39 : x
  2. Step 2: Convert to fraction form
    864,981.38/1,193,669.53 = 477,823.39/x
  3. Step 3: Cross multiply
    864,981.38x = 1,193,669.53 × 477,823.39
  4. Step 4: Simplify right side
    864,981.38x = 570,363,217,185.58
  5. Step 5: Solve for x
    x = 570,363,217,185.58/864,981.38
  6. Step 6: Final answer
    x = 659,393.63

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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.