Home / 558,769.92-833,466-512,917.44

Finding the Fourth Proportional to 558,769.92, 833,466 and 512,917.44

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Solution

The fourth proportional to 558,769.92, 833,466 and 512,917.44 is: 765,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,769.92 : 833,466 = 512,917.44 : x
  2. Step 2: Convert to fraction form
    558,769.92/833,466 = 512,917.44/x
  3. Step 3: Cross multiply
    558,769.92x = 833,466 × 512,917.44
  4. Step 4: Simplify right side
    558,769.92x = 427,499,247,047.04
  5. Step 5: Solve for x
    x = 427,499,247,047.04/558,769.92
  6. Step 6: Final answer
    x = 765,072.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.