Home / 1,278,348.93-1,764,119.52-705,388.68

Finding the Fourth Proportional to 1,278,348.93, 1,764,119.52 and 705,388.68

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Solution

The fourth proportional to 1,278,348.93, 1,764,119.52 and 705,388.68 is: 973,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,348.93 : 1,764,119.52 = 705,388.68 : x
  2. Step 2: Convert to fraction form
    1,278,348.93/1,764,119.52 = 705,388.68/x
  3. Step 3: Cross multiply
    1,278,348.93x = 1,764,119.52 × 705,388.68
  4. Step 4: Simplify right side
    1,278,348.93x = 1,244,389,939,575.03
  5. Step 5: Solve for x
    x = 1,244,389,939,575.03/1,278,348.93
  6. Step 6: Final answer
    x = 973,435.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.