Home / 818,534.40-1,227,801.60-376,166.40

Finding the Fourth Proportional to 818,534.40, 1,227,801.60 and 376,166.40

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Solution

The fourth proportional to 818,534.40, 1,227,801.60 and 376,166.40 is: 564,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,534.40 : 1,227,801.60 = 376,166.40 : x
  2. Step 2: Convert to fraction form
    818,534.40/1,227,801.60 = 376,166.40/x
  3. Step 3: Cross multiply
    818,534.40x = 1,227,801.60 × 376,166.40
  4. Step 4: Simplify right side
    818,534.40x = 461,857,707,786.24
  5. Step 5: Solve for x
    x = 461,857,707,786.24/818,534.40
  6. Step 6: Final answer
    x = 564,249.60

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Half scale
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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.