Home / 941,782.20-1,412,673.30-380,527.80

Finding the Fourth Proportional to 941,782.20, 1,412,673.30 and 380,527.80

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Solution

The fourth proportional to 941,782.20, 1,412,673.30 and 380,527.80 is: 570,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,782.20 : 1,412,673.30 = 380,527.80 : x
  2. Step 2: Convert to fraction form
    941,782.20/1,412,673.30 = 380,527.80/x
  3. Step 3: Cross multiply
    941,782.20x = 1,412,673.30 × 380,527.80
  4. Step 4: Simplify right side
    941,782.20x = 537,561,462,967.74
  5. Step 5: Solve for x
    x = 537,561,462,967.74/941,782.20
  6. Step 6: Final answer
    x = 570,791.70

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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.