Home / 829,074.80-1,243,612.20-731,097.20

Finding the Fourth Proportional to 829,074.80, 1,243,612.20 and 731,097.20

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Solution

The fourth proportional to 829,074.80, 1,243,612.20 and 731,097.20 is: 1,096,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,074.80 : 1,243,612.20 = 731,097.20 : x
  2. Step 2: Convert to fraction form
    829,074.80/1,243,612.20 = 731,097.20/x
  3. Step 3: Cross multiply
    829,074.80x = 1,243,612.20 × 731,097.20
  4. Step 4: Simplify right side
    829,074.80x = 909,201,397,305.84
  5. Step 5: Solve for x
    x = 909,201,397,305.84/829,074.80
  6. Step 6: Final answer
    x = 1,096,645.80

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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.