Home / 821,767.41-1,230,953.36-483,766.56

Finding the Fourth Proportional to 821,767.41, 1,230,953.36 and 483,766.56

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Solution

The fourth proportional to 821,767.41, 1,230,953.36 and 483,766.56 is: 724,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,767.41 : 1,230,953.36 = 483,766.56 : x
  2. Step 2: Convert to fraction form
    821,767.41/1,230,953.36 = 483,766.56/x
  3. Step 3: Cross multiply
    821,767.41x = 1,230,953.36 × 483,766.56
  4. Step 4: Simplify right side
    821,767.41x = 595,494,070,068.81
  5. Step 5: Solve for x
    x = 595,494,070,068.81/821,767.41
  6. Step 6: Final answer
    x = 724,650.39

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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.