Home / 992,708.70-1,489,063.05-714,846.30

Finding the Fourth Proportional to 992,708.70, 1,489,063.05 and 714,846.30

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Solution

The fourth proportional to 992,708.70, 1,489,063.05 and 714,846.30 is: 1,072,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,708.70 : 1,489,063.05 = 714,846.30 : x
  2. Step 2: Convert to fraction form
    992,708.70/1,489,063.05 = 714,846.30/x
  3. Step 3: Cross multiply
    992,708.70x = 1,489,063.05 × 714,846.30
  4. Step 4: Simplify right side
    992,708.70x = 1,064,451,211,759.22
  5. Step 5: Solve for x
    x = 1,064,451,211,759.22/992,708.70
  6. Step 6: Final answer
    x = 1,072,269.45

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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.