Home / 370,623.25-511,461.91-200,857.38

Finding the Fourth Proportional to 370,623.25, 511,461.91 and 200,857.38

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Solution

The fourth proportional to 370,623.25, 511,461.91 and 200,857.38 is: 277,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,623.25 : 511,461.91 = 200,857.38 : x
  2. Step 2: Convert to fraction form
    370,623.25/511,461.91 = 200,857.38/x
  3. Step 3: Cross multiply
    370,623.25x = 511,461.91 × 200,857.38
  4. Step 4: Simplify right side
    370,623.25x = 102,730,899,212.40
  5. Step 5: Solve for x
    x = 102,730,899,212.40/370,623.25
  6. Step 6: Final answer
    x = 277,184.17

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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.