Home / 829,071.20-1,243,606.80-663,183.20

Finding the Fourth Proportional to 829,071.20, 1,243,606.80 and 663,183.20

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Solution

The fourth proportional to 829,071.20, 1,243,606.80 and 663,183.20 is: 994,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,071.20 : 1,243,606.80 = 663,183.20 : x
  2. Step 2: Convert to fraction form
    829,071.20/1,243,606.80 = 663,183.20/x
  3. Step 3: Cross multiply
    829,071.20x = 1,243,606.80 × 663,183.20
  4. Step 4: Simplify right side
    829,071.20x = 824,739,137,165.76
  5. Step 5: Solve for x
    x = 824,739,137,165.76/829,071.20
  6. Step 6: Final answer
    x = 994,774.80

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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.