Home / 828,262.80-1,241,665.20-561,157.20

Finding the Fourth Proportional to 828,262.80, 1,241,665.20 and 561,157.20

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Solution

The fourth proportional to 828,262.80, 1,241,665.20 and 561,157.20 is: 841,241.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,262.80 : 1,241,665.20 = 561,157.20 : x
  2. Step 2: Convert to fraction form
    828,262.80/1,241,665.20 = 561,157.20/x
  3. Step 3: Cross multiply
    828,262.80x = 1,241,665.20 × 561,157.20
  4. Step 4: Simplify right side
    828,262.80x = 696,769,366,969.44
  5. Step 5: Solve for x
    x = 696,769,366,969.44/828,262.80
  6. Step 6: Final answer
    x = 841,241.89

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Double scale
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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.