Home / 1,314,144.16-1,971,967.92-515,497.12

Finding the Fourth Proportional to 1,314,144.16, 1,971,967.92 and 515,497.12

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Solution

The fourth proportional to 1,314,144.16, 1,971,967.92 and 515,497.12 is: 773,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,144.16 : 1,971,967.92 = 515,497.12 : x
  2. Step 2: Convert to fraction form
    1,314,144.16/1,971,967.92 = 515,497.12/x
  3. Step 3: Cross multiply
    1,314,144.16x = 1,971,967.92 × 515,497.12
  4. Step 4: Simplify right side
    1,314,144.16x = 1,016,543,783,492.39
  5. Step 5: Solve for x
    x = 1,016,543,783,492.39/1,314,144.16
  6. Step 6: Final answer
    x = 773,540.54

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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.