Home / 935,836.58-1,291,140.35-763,456.55

Finding the Fourth Proportional to 935,836.58, 1,291,140.35 and 763,456.55

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Solution

The fourth proportional to 935,836.58, 1,291,140.35 and 763,456.55 is: 1,053,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,836.58 : 1,291,140.35 = 763,456.55 : x
  2. Step 2: Convert to fraction form
    935,836.58/1,291,140.35 = 763,456.55/x
  3. Step 3: Cross multiply
    935,836.58x = 1,291,140.35 × 763,456.55
  4. Step 4: Simplify right side
    935,836.58x = 985,729,546,903.81
  5. Step 5: Solve for x
    x = 985,729,546,903.81/935,836.58
  6. Step 6: Final answer
    x = 1,053,313.77

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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.