Home / 853,084.76-1,176,716.27-648,687.58

Finding the Fourth Proportional to 853,084.76, 1,176,716.27 and 648,687.58

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Solution

The fourth proportional to 853,084.76, 1,176,716.27 and 648,687.58 is: 894,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,084.76 : 1,176,716.27 = 648,687.58 : x
  2. Step 2: Convert to fraction form
    853,084.76/1,176,716.27 = 648,687.58/x
  3. Step 3: Cross multiply
    853,084.76x = 1,176,716.27 × 648,687.58
  4. Step 4: Simplify right side
    853,084.76x = 763,321,228,212.86
  5. Step 5: Solve for x
    x = 763,321,228,212.86/853,084.76
  6. Step 6: Final answer
    x = 894,777.72

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Double scale
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1.5x scale

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.