Home / 809,455.20-1,214,182.80-573,064.80

Finding the Fourth Proportional to 809,455.20, 1,214,182.80 and 573,064.80

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Solution

The fourth proportional to 809,455.20, 1,214,182.80 and 573,064.80 is: 859,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,455.20 : 1,214,182.80 = 573,064.80 : x
  2. Step 2: Convert to fraction form
    809,455.20/1,214,182.80 = 573,064.80/x
  3. Step 3: Cross multiply
    809,455.20x = 1,214,182.80 × 573,064.80
  4. Step 4: Simplify right side
    809,455.20x = 695,805,423,445.44
  5. Step 5: Solve for x
    x = 695,805,423,445.44/809,455.20
  6. Step 6: Final answer
    x = 859,597.20

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Double scale
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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.