Home / 976,918.80-1,465,378.20-935,446.80

Finding the Fourth Proportional to 976,918.80, 1,465,378.20 and 935,446.80

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Solution

The fourth proportional to 976,918.80, 1,465,378.20 and 935,446.80 is: 1,403,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,918.80 : 1,465,378.20 = 935,446.80 : x
  2. Step 2: Convert to fraction form
    976,918.80/1,465,378.20 = 935,446.80/x
  3. Step 3: Cross multiply
    976,918.80x = 1,465,378.20 × 935,446.80
  4. Step 4: Simplify right side
    976,918.80x = 1,370,783,347,979.76
  5. Step 5: Solve for x
    x = 1,370,783,347,979.76/976,918.80
  6. Step 6: Final answer
    x = 1,403,170.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.