Home / 827,468.69-1,241,203.10-266,503.19

Finding the Fourth Proportional to 827,468.69, 1,241,203.10 and 266,503.19

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Solution

The fourth proportional to 827,468.69, 1,241,203.10 and 266,503.19 is: 399,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,468.69 : 1,241,203.10 = 266,503.19 : x
  2. Step 2: Convert to fraction form
    827,468.69/1,241,203.10 = 266,503.19/x
  3. Step 3: Cross multiply
    827,468.69x = 1,241,203.10 × 266,503.19
  4. Step 4: Simplify right side
    827,468.69x = 330,784,585,587.89
  5. Step 5: Solve for x
    x = 330,784,585,587.89/827,468.69
  6. Step 6: Final answer
    x = 399,754.81

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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.