Home / 1,289,690.60-1,933,844.70-540,890.60

Finding the Fourth Proportional to 1,289,690.60, 1,933,844.70 and 540,890.60

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Solution

The fourth proportional to 1,289,690.60, 1,933,844.70 and 540,890.60 is: 811,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,690.60 : 1,933,844.70 = 540,890.60 : x
  2. Step 2: Convert to fraction form
    1,289,690.60/1,933,844.70 = 540,890.60/x
  3. Step 3: Cross multiply
    1,289,690.60x = 1,933,844.70 × 540,890.60
  4. Step 4: Simplify right side
    1,289,690.60x = 1,045,998,420,089.82
  5. Step 5: Solve for x
    x = 1,045,998,420,089.82/1,289,690.60
  6. Step 6: Final answer
    x = 811,046.01

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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.