Home / 1,000,857.55-1,381,186.20-541,977.52

Finding the Fourth Proportional to 1,000,857.55, 1,381,186.20 and 541,977.52

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Solution

The fourth proportional to 1,000,857.55, 1,381,186.20 and 541,977.52 is: 747,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,857.55 : 1,381,186.20 = 541,977.52 : x
  2. Step 2: Convert to fraction form
    1,000,857.55/1,381,186.20 = 541,977.52/x
  3. Step 3: Cross multiply
    1,000,857.55x = 1,381,186.20 × 541,977.52
  4. Step 4: Simplify right side
    1,000,857.55x = 748,571,871,334.22
  5. Step 5: Solve for x
    x = 748,571,871,334.22/1,000,857.55
  6. Step 6: Final answer
    x = 747,930.48

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Why These Related Problems?

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