Home / 727,245.76-1,003,628.76-404,935.44

Finding the Fourth Proportional to 727,245.76, 1,003,628.76 and 404,935.44

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Solution

The fourth proportional to 727,245.76, 1,003,628.76 and 404,935.44 is: 558,827.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,245.76 : 1,003,628.76 = 404,935.44 : x
  2. Step 2: Convert to fraction form
    727,245.76/1,003,628.76 = 404,935.44/x
  3. Step 3: Cross multiply
    727,245.76x = 1,003,628.76 × 404,935.44
  4. Step 4: Simplify right side
    727,245.76x = 406,404,853,527.25
  5. Step 5: Solve for x
    x = 406,404,853,527.25/727,245.76
  6. Step 6: Final answer
    x = 558,827.39

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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.