Home / 1,289,771.60-1,933,966.20-540,971.60

Finding the Fourth Proportional to 1,289,771.60, 1,933,966.20 and 540,971.60

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Solution

The fourth proportional to 1,289,771.60, 1,933,966.20 and 540,971.60 is: 811,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,771.60 : 1,933,966.20 = 540,971.60 : x
  2. Step 2: Convert to fraction form
    1,289,771.60/1,933,966.20 = 540,971.60/x
  3. Step 3: Cross multiply
    1,289,771.60x = 1,933,966.20 × 540,971.60
  4. Step 4: Simplify right side
    1,289,771.60x = 1,046,220,789,559.92
  5. Step 5: Solve for x
    x = 1,046,220,789,559.92/1,289,771.60
  6. Step 6: Final answer
    x = 811,167.49

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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.