Home / 1,256,362.75-1,884,754.28-986,479.97

Finding the Fourth Proportional to 1,256,362.75, 1,884,754.28 and 986,479.97

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Solution

The fourth proportional to 1,256,362.75, 1,884,754.28 and 986,479.97 is: 1,479,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,362.75 : 1,884,754.28 = 986,479.97 : x
  2. Step 2: Convert to fraction form
    1,256,362.75/1,884,754.28 = 986,479.97/x
  3. Step 3: Cross multiply
    1,256,362.75x = 1,884,754.28 × 986,479.97
  4. Step 4: Simplify right side
    1,256,362.75x = 1,859,272,336,168.00
  5. Step 5: Solve for x
    x = 1,859,272,336,168.00/1,256,362.75
  6. Step 6: Final answer
    x = 1,479,884.96

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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.