Home / 811,195.55-1,119,111.57-466,949.10

Finding the Fourth Proportional to 811,195.55, 1,119,111.57 and 466,949.10

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Solution

The fourth proportional to 811,195.55, 1,119,111.57 and 466,949.10 is: 644,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,195.55 : 1,119,111.57 = 466,949.10 : x
  2. Step 2: Convert to fraction form
    811,195.55/1,119,111.57 = 466,949.10/x
  3. Step 3: Cross multiply
    811,195.55x = 1,119,111.57 × 466,949.10
  4. Step 4: Simplify right side
    811,195.55x = 522,568,140,411.09
  5. Step 5: Solve for x
    x = 522,568,140,411.09/811,195.55
  6. Step 6: Final answer
    x = 644,195.03

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.