Home / 827,366.13-1,241,423.46-422,349.12

Finding the Fourth Proportional to 827,366.13, 1,241,423.46 and 422,349.12

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Solution

The fourth proportional to 827,366.13, 1,241,423.46 and 422,349.12 is: 633,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,366.13 : 1,241,423.46 = 422,349.12 : x
  2. Step 2: Convert to fraction form
    827,366.13/1,241,423.46 = 422,349.12/x
  3. Step 3: Cross multiply
    827,366.13x = 1,241,423.46 × 422,349.12
  4. Step 4: Simplify right side
    827,366.13x = 524,314,105,878.36
  5. Step 5: Solve for x
    x = 524,314,105,878.36/827,366.13
  6. Step 6: Final answer
    x = 633,714.73

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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.