Home / 382,609.82-527,999.06-210,538.28

Finding the Fourth Proportional to 382,609.82, 527,999.06 and 210,538.28

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Solution

The fourth proportional to 382,609.82, 527,999.06 and 210,538.28 is: 290,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,609.82 : 527,999.06 = 210,538.28 : x
  2. Step 2: Convert to fraction form
    382,609.82/527,999.06 = 210,538.28/x
  3. Step 3: Cross multiply
    382,609.82x = 527,999.06 × 210,538.28
  4. Step 4: Simplify right side
    382,609.82x = 111,164,013,934.02
  5. Step 5: Solve for x
    x = 111,164,013,934.02/382,609.82
  6. Step 6: Final answer
    x = 290,541.46

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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.