Home / 816,846.54-1,127,082.78-477,249.18

Finding the Fourth Proportional to 816,846.54, 1,127,082.78 and 477,249.18

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Solution

The fourth proportional to 816,846.54, 1,127,082.78 and 477,249.18 is: 658,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,846.54 : 1,127,082.78 = 477,249.18 : x
  2. Step 2: Convert to fraction form
    816,846.54/1,127,082.78 = 477,249.18/x
  3. Step 3: Cross multiply
    816,846.54x = 1,127,082.78 × 477,249.18
  4. Step 4: Simplify right side
    816,846.54x = 537,899,332,547.12
  5. Step 5: Solve for x
    x = 537,899,332,547.12/816,846.54
  6. Step 6: Final answer
    x = 658,507.21

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Double scale
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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.