Home / 853,293.20-1,279,594.20-292,038.80

Finding the Fourth Proportional to 853,293.20, 1,279,594.20 and 292,038.80

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Solution

The fourth proportional to 853,293.20, 1,279,594.20 and 292,038.80 is: 437,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,293.20 : 1,279,594.20 = 292,038.80 : x
  2. Step 2: Convert to fraction form
    853,293.20/1,279,594.20 = 292,038.80/x
  3. Step 3: Cross multiply
    853,293.20x = 1,279,594.20 × 292,038.80
  4. Step 4: Simplify right side
    853,293.20x = 373,691,154,654.96
  5. Step 5: Solve for x
    x = 373,691,154,654.96/853,293.20
  6. Step 6: Final answer
    x = 437,939.92

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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.