Home / 828,194.40-1,242,291.60-473,244.30

Finding the Fourth Proportional to 828,194.40, 1,242,291.60 and 473,244.30

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Solution

The fourth proportional to 828,194.40, 1,242,291.60 and 473,244.30 is: 709,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,194.40 : 1,242,291.60 = 473,244.30 : x
  2. Step 2: Convert to fraction form
    828,194.40/1,242,291.60 = 473,244.30/x
  3. Step 3: Cross multiply
    828,194.40x = 1,242,291.60 × 473,244.30
  4. Step 4: Simplify right side
    828,194.40x = 587,907,418,637.88
  5. Step 5: Solve for x
    x = 587,907,418,637.88/828,194.40
  6. Step 6: Final answer
    x = 709,866.45

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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.