Home / 653,824.20-980,736.30-543,232.20

Finding the Fourth Proportional to 653,824.20, 980,736.30 and 543,232.20

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Solution

The fourth proportional to 653,824.20, 980,736.30 and 543,232.20 is: 814,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,824.20 : 980,736.30 = 543,232.20 : x
  2. Step 2: Convert to fraction form
    653,824.20/980,736.30 = 543,232.20/x
  3. Step 3: Cross multiply
    653,824.20x = 980,736.30 × 543,232.20
  4. Step 4: Simplify right side
    653,824.20x = 532,767,537,868.86
  5. Step 5: Solve for x
    x = 532,767,537,868.86/653,824.20
  6. Step 6: Final answer
    x = 814,848.30

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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.