Home / 927,093.98-1,279,359.78-513,613.73

Finding the Fourth Proportional to 927,093.98, 1,279,359.78 and 513,613.73

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Solution

The fourth proportional to 927,093.98, 1,279,359.78 and 513,613.73 is: 708,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,093.98 : 1,279,359.78 = 513,613.73 : x
  2. Step 2: Convert to fraction form
    927,093.98/1,279,359.78 = 513,613.73/x
  3. Step 3: Cross multiply
    927,093.98x = 1,279,359.78 × 513,613.73
  4. Step 4: Simplify right side
    927,093.98x = 657,096,748,617.78
  5. Step 5: Solve for x
    x = 657,096,748,617.78/927,093.98
  6. Step 6: Final answer
    x = 708,770.38

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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.