Home / 918,729.12-1,267,903.46-510,922.06

Finding the Fourth Proportional to 918,729.12, 1,267,903.46 and 510,922.06

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Solution

The fourth proportional to 918,729.12, 1,267,903.46 and 510,922.06 is: 705,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,729.12 : 1,267,903.46 = 510,922.06 : x
  2. Step 2: Convert to fraction form
    918,729.12/1,267,903.46 = 510,922.06/x
  3. Step 3: Cross multiply
    918,729.12x = 1,267,903.46 × 510,922.06
  4. Step 4: Simplify right side
    918,729.12x = 647,799,847,664.33
  5. Step 5: Solve for x
    x = 647,799,847,664.33/918,729.12
  6. Step 6: Final answer
    x = 705,104.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.