Home / 947,352.80-1,421,029.20-844,133.60

Finding the Fourth Proportional to 947,352.80, 1,421,029.20 and 844,133.60

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Solution

The fourth proportional to 947,352.80, 1,421,029.20 and 844,133.60 is: 1,266,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,352.80 : 1,421,029.20 = 844,133.60 : x
  2. Step 2: Convert to fraction form
    947,352.80/1,421,029.20 = 844,133.60/x
  3. Step 3: Cross multiply
    947,352.80x = 1,421,029.20 × 844,133.60
  4. Step 4: Simplify right side
    947,352.80x = 1,199,538,494,301.12
  5. Step 5: Solve for x
    x = 1,199,538,494,301.12/947,352.80
  6. Step 6: Final answer
    x = 1,266,200.40

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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.