Home / 808,260.80-1,211,613.60-628,246.40

Finding the Fourth Proportional to 808,260.80, 1,211,613.60 and 628,246.40

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Solution

The fourth proportional to 808,260.80, 1,211,613.60 and 628,246.40 is: 941,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,260.80 : 1,211,613.60 = 628,246.40 : x
  2. Step 2: Convert to fraction form
    808,260.80/1,211,613.60 = 628,246.40/x
  3. Step 3: Cross multiply
    808,260.80x = 1,211,613.60 × 628,246.40
  4. Step 4: Simplify right side
    808,260.80x = 761,191,882,391.04
  5. Step 5: Solve for x
    x = 761,191,882,391.04/808,260.80
  6. Step 6: Final answer
    x = 941,765.19

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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.