Home / 928,610.20-1,392,915.30-456,218.20

Finding the Fourth Proportional to 928,610.20, 1,392,915.30 and 456,218.20

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Solution

The fourth proportional to 928,610.20, 1,392,915.30 and 456,218.20 is: 684,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,610.20 : 1,392,915.30 = 456,218.20 : x
  2. Step 2: Convert to fraction form
    928,610.20/1,392,915.30 = 456,218.20/x
  3. Step 3: Cross multiply
    928,610.20x = 1,392,915.30 × 456,218.20
  4. Step 4: Simplify right side
    928,610.20x = 635,473,310,918.46
  5. Step 5: Solve for x
    x = 635,473,310,918.46/928,610.20
  6. Step 6: Final answer
    x = 684,327.30

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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.