Home / 982,287.50-1,473,609.72-405,912.17

Finding the Fourth Proportional to 982,287.50, 1,473,609.72 and 405,912.17

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Solution

The fourth proportional to 982,287.50, 1,473,609.72 and 405,912.17 is: 608,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,287.50 : 1,473,609.72 = 405,912.17 : x
  2. Step 2: Convert to fraction form
    982,287.50/1,473,609.72 = 405,912.17/x
  3. Step 3: Cross multiply
    982,287.50x = 1,473,609.72 × 405,912.17
  4. Step 4: Simplify right side
    982,287.50x = 598,156,122,862.32
  5. Step 5: Solve for x
    x = 598,156,122,862.32/982,287.50
  6. Step 6: Final answer
    x = 608,942.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.