Home / 727,714.80-1,091,572.20-541,090.80

Finding the Fourth Proportional to 727,714.80, 1,091,572.20 and 541,090.80

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Solution

The fourth proportional to 727,714.80, 1,091,572.20 and 541,090.80 is: 811,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,714.80 : 1,091,572.20 = 541,090.80 : x
  2. Step 2: Convert to fraction form
    727,714.80/1,091,572.20 = 541,090.80/x
  3. Step 3: Cross multiply
    727,714.80x = 1,091,572.20 × 541,090.80
  4. Step 4: Simplify right side
    727,714.80x = 590,639,674,955.76
  5. Step 5: Solve for x
    x = 590,639,674,955.76/727,714.80
  6. Step 6: Final answer
    x = 811,636.20

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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.