Home / 935,146.78-1,289,641.39-590,383.64

Finding the Fourth Proportional to 935,146.78, 1,289,641.39 and 590,383.64

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Solution

The fourth proportional to 935,146.78, 1,289,641.39 and 590,383.64 is: 814,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,146.78 : 1,289,641.39 = 590,383.64 : x
  2. Step 2: Convert to fraction form
    935,146.78/1,289,641.39 = 590,383.64/x
  3. Step 3: Cross multiply
    935,146.78x = 1,289,641.39 × 590,383.64
  4. Step 4: Simplify right side
    935,146.78x = 761,383,179,871.00
  5. Step 5: Solve for x
    x = 761,383,179,871.00/935,146.78
  6. Step 6: Final answer
    x = 814,185.75

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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.