Home / 727,740.80-1,091,611.20-541,116.80

Finding the Fourth Proportional to 727,740.80, 1,091,611.20 and 541,116.80

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Solution

The fourth proportional to 727,740.80, 1,091,611.20 and 541,116.80 is: 811,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,740.80 : 1,091,611.20 = 541,116.80 : x
  2. Step 2: Convert to fraction form
    727,740.80/1,091,611.20 = 541,116.80/x
  3. Step 3: Cross multiply
    727,740.80x = 1,091,611.20 × 541,116.80
  4. Step 4: Simplify right side
    727,740.80x = 590,689,159,388.16
  5. Step 5: Solve for x
    x = 590,689,159,388.16/727,740.80
  6. Step 6: Final answer
    x = 811,675.20

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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.