Home / 464,986.10-641,983.39-283,803.08

Finding the Fourth Proportional to 464,986.10, 641,983.39 and 283,803.08

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Solution

The fourth proportional to 464,986.10, 641,983.39 and 283,803.08 is: 391,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,986.10 : 641,983.39 = 283,803.08 : x
  2. Step 2: Convert to fraction form
    464,986.10/641,983.39 = 283,803.08/x
  3. Step 3: Cross multiply
    464,986.10x = 641,983.39 × 283,803.08
  4. Step 4: Simplify right side
    464,986.10x = 182,196,859,471.42
  5. Step 5: Solve for x
    x = 182,196,859,471.42/464,986.10
  6. Step 6: Final answer
    x = 391,832.91

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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.