Home / 853,099.70-1,177,306.64-504,538.90

Finding the Fourth Proportional to 853,099.70, 1,177,306.64 and 504,538.90

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Solution

The fourth proportional to 853,099.70, 1,177,306.64 and 504,538.90 is: 696,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,099.70 : 1,177,306.64 = 504,538.90 : x
  2. Step 2: Convert to fraction form
    853,099.70/1,177,306.64 = 504,538.90/x
  3. Step 3: Cross multiply
    853,099.70x = 1,177,306.64 × 504,538.90
  4. Step 4: Simplify right side
    853,099.70x = 593,996,997,108.30
  5. Step 5: Solve for x
    x = 593,996,997,108.30/853,099.70
  6. Step 6: Final answer
    x = 696,280.87

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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.