Home / 976,731.80-1,464,903.30-471,291.80

Finding the Fourth Proportional to 976,731.80, 1,464,903.30 and 471,291.80

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Solution

The fourth proportional to 976,731.80, 1,464,903.30 and 471,291.80 is: 706,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,731.80 : 1,464,903.30 = 471,291.80 : x
  2. Step 2: Convert to fraction form
    976,731.80/1,464,903.30 = 471,291.80/x
  3. Step 3: Cross multiply
    976,731.80x = 1,464,903.30 × 471,291.80
  4. Step 4: Simplify right side
    976,731.80x = 690,396,913,082.94
  5. Step 5: Solve for x
    x = 690,396,913,082.94/976,731.80
  6. Step 6: Final answer
    x = 706,843.90

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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.