Home / 769,952.30-1,154,928.45-208,986.80

Finding the Fourth Proportional to 769,952.30, 1,154,928.45 and 208,986.80

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Solution

The fourth proportional to 769,952.30, 1,154,928.45 and 208,986.80 is: 313,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,952.30 : 1,154,928.45 = 208,986.80 : x
  2. Step 2: Convert to fraction form
    769,952.30/1,154,928.45 = 208,986.80/x
  3. Step 3: Cross multiply
    769,952.30x = 1,154,928.45 × 208,986.80
  4. Step 4: Simplify right side
    769,952.30x = 241,364,800,994.46
  5. Step 5: Solve for x
    x = 241,364,800,994.46/769,952.30
  6. Step 6: Final answer
    x = 313,480.20

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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.