Home / 869,362.40-1,304,043.60-587,352.80

Finding the Fourth Proportional to 869,362.40, 1,304,043.60 and 587,352.80

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Solution

The fourth proportional to 869,362.40, 1,304,043.60 and 587,352.80 is: 881,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,362.40 : 1,304,043.60 = 587,352.80 : x
  2. Step 2: Convert to fraction form
    869,362.40/1,304,043.60 = 587,352.80/x
  3. Step 3: Cross multiply
    869,362.40x = 1,304,043.60 × 587,352.80
  4. Step 4: Simplify right side
    869,362.40x = 765,933,659,782.08
  5. Step 5: Solve for x
    x = 765,933,659,782.08/869,362.40
  6. Step 6: Final answer
    x = 881,029.20

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Similar ratio
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1.5x scale

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.