Home / 673,132.80-1,008,470.40-410,169.60

Finding the Fourth Proportional to 673,132.80, 1,008,470.40 and 410,169.60

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Solution

The fourth proportional to 673,132.80, 1,008,470.40 and 410,169.60 is: 614,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,132.80 : 1,008,470.40 = 410,169.60 : x
  2. Step 2: Convert to fraction form
    673,132.80/1,008,470.40 = 410,169.60/x
  3. Step 3: Cross multiply
    673,132.80x = 1,008,470.40 × 410,169.60
  4. Step 4: Simplify right side
    673,132.80x = 413,643,900,579.84
  5. Step 5: Solve for x
    x = 413,643,900,579.84/673,132.80
  6. Step 6: Final answer
    x = 614,505.64

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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.