Home / 935,836.82-1,291,140.69-763,456.80

Finding the Fourth Proportional to 935,836.82, 1,291,140.69 and 763,456.80

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Solution

The fourth proportional to 935,836.82, 1,291,140.69 and 763,456.80 is: 1,053,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,836.82 : 1,291,140.69 = 763,456.80 : x
  2. Step 2: Convert to fraction form
    935,836.82/1,291,140.69 = 763,456.80/x
  3. Step 3: Cross multiply
    935,836.82x = 1,291,140.69 × 763,456.80
  4. Step 4: Simplify right side
    935,836.82x = 985,730,139,537.19
  5. Step 5: Solve for x
    x = 985,730,139,537.19/935,836.82
  6. Step 6: Final answer
    x = 1,053,314.12

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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.