Home / 941,112.52-1,298,743.50-511,392.76

Finding the Fourth Proportional to 941,112.52, 1,298,743.50 and 511,392.76

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Solution

The fourth proportional to 941,112.52, 1,298,743.50 and 511,392.76 is: 705,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,112.52 : 1,298,743.50 = 511,392.76 : x
  2. Step 2: Convert to fraction form
    941,112.52/1,298,743.50 = 511,392.76/x
  3. Step 3: Cross multiply
    941,112.52x = 1,298,743.50 × 511,392.76
  4. Step 4: Simplify right side
    941,112.52x = 664,168,022,997.06
  5. Step 5: Solve for x
    x = 664,168,022,997.06/941,112.52
  6. Step 6: Final answer
    x = 705,726.48

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Double scale
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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.