Home / 855,132.30-1,180,082.69-467,947.80

Finding the Fourth Proportional to 855,132.30, 1,180,082.69 and 467,947.80

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Solution

The fourth proportional to 855,132.30, 1,180,082.69 and 467,947.80 is: 645,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,132.30 : 1,180,082.69 = 467,947.80 : x
  2. Step 2: Convert to fraction form
    855,132.30/1,180,082.69 = 467,947.80/x
  3. Step 3: Cross multiply
    855,132.30x = 1,180,082.69 × 467,947.80
  4. Step 4: Simplify right side
    855,132.30x = 552,217,098,622.24
  5. Step 5: Solve for x
    x = 552,217,098,622.24/855,132.30
  6. Step 6: Final answer
    x = 645,768.03

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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.