Home / 853,749.45-1,178,198.01-471,800.84

Finding the Fourth Proportional to 853,749.45, 1,178,198.01 and 471,800.84

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Solution

The fourth proportional to 853,749.45, 1,178,198.01 and 471,800.84 is: 651,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,749.45 : 1,178,198.01 = 471,800.84 : x
  2. Step 2: Convert to fraction form
    853,749.45/1,178,198.01 = 471,800.84/x
  3. Step 3: Cross multiply
    853,749.45x = 1,178,198.01 × 471,800.84
  4. Step 4: Simplify right side
    853,749.45x = 555,874,806,679.33
  5. Step 5: Solve for x
    x = 555,874,806,679.33/853,749.45
  6. Step 6: Final answer
    x = 651,098.29

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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.