Home / 1,997,709.20-2,996,952.60-577,811.60

Finding the Fourth Proportional to 1,997,709.20, 2,996,952.60 and 577,811.60

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Solution

The fourth proportional to 1,997,709.20, 2,996,952.60 and 577,811.60 is: 866,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,709.20 : 2,996,952.60 = 577,811.60 : x
  2. Step 2: Convert to fraction form
    1,997,709.20/2,996,952.60 = 577,811.60/x
  3. Step 3: Cross multiply
    1,997,709.20x = 2,996,952.60 × 577,811.60
  4. Step 4: Simplify right side
    1,997,709.20x = 1,731,673,976,930.16
  5. Step 5: Solve for x
    x = 1,731,673,976,930.16/1,997,709.20
  6. Step 6: Final answer
    x = 866,829.86

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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.