Home / 977,171.40-1,465,757.10-809,209.80

Finding the Fourth Proportional to 977,171.40, 1,465,757.10 and 809,209.80

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Solution

The fourth proportional to 977,171.40, 1,465,757.10 and 809,209.80 is: 1,213,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,171.40 : 1,465,757.10 = 809,209.80 : x
  2. Step 2: Convert to fraction form
    977,171.40/1,465,757.10 = 809,209.80/x
  3. Step 3: Cross multiply
    977,171.40x = 1,465,757.10 × 809,209.80
  4. Step 4: Simplify right side
    977,171.40x = 1,186,105,009,739.58
  5. Step 5: Solve for x
    x = 1,186,105,009,739.58/977,171.40
  6. Step 6: Final answer
    x = 1,213,814.70

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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.