Home / 1,782,193.60-2,673,031.20-519,889.60

Finding the Fourth Proportional to 1,782,193.60, 2,673,031.20 and 519,889.60

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Solution

The fourth proportional to 1,782,193.60, 2,673,031.20 and 519,889.60 is: 779,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,193.60 : 2,673,031.20 = 519,889.60 : x
  2. Step 2: Convert to fraction form
    1,782,193.60/2,673,031.20 = 519,889.60/x
  3. Step 3: Cross multiply
    1,782,193.60x = 2,673,031.20 × 519,889.60
  4. Step 4: Simplify right side
    1,782,193.60x = 1,389,681,121,355.52
  5. Step 5: Solve for x
    x = 1,389,681,121,355.52/1,782,193.60
  6. Step 6: Final answer
    x = 779,758.79

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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.