Home / 853,660.73-1,178,574.43-812,693.76

Finding the Fourth Proportional to 853,660.73, 1,178,574.43 and 812,693.76

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Solution

The fourth proportional to 853,660.73, 1,178,574.43 and 812,693.76 is: 1,122,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,660.73 : 1,178,574.43 = 812,693.76 : x
  2. Step 2: Convert to fraction form
    853,660.73/1,178,574.43 = 812,693.76/x
  3. Step 3: Cross multiply
    853,660.73x = 1,178,574.43 × 812,693.76
  4. Step 4: Simplify right side
    853,660.73x = 957,820,077,743.27
  5. Step 5: Solve for x
    x = 957,820,077,743.27/853,660.73
  6. Step 6: Final answer
    x = 1,122,014.92

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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.