Home / 853,256.20-1,279,538.70-292,001.80

Finding the Fourth Proportional to 853,256.20, 1,279,538.70 and 292,001.80

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Solution

The fourth proportional to 853,256.20, 1,279,538.70 and 292,001.80 is: 437,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,256.20 : 1,279,538.70 = 292,001.80 : x
  2. Step 2: Convert to fraction form
    853,256.20/1,279,538.70 = 292,001.80/x
  3. Step 3: Cross multiply
    853,256.20x = 1,279,538.70 × 292,001.80
  4. Step 4: Simplify right side
    853,256.20x = 373,627,603,569.66
  5. Step 5: Solve for x
    x = 373,627,603,569.66/853,256.20
  6. Step 6: Final answer
    x = 437,884.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.