Home / 1,000,139.64-1,380,190.23-541,252.50

Finding the Fourth Proportional to 1,000,139.64, 1,380,190.23 and 541,252.50

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Solution

The fourth proportional to 1,000,139.64, 1,380,190.23 and 541,252.50 is: 746,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,139.64 : 1,380,190.23 = 541,252.50 : x
  2. Step 2: Convert to fraction form
    1,000,139.64/1,380,190.23 = 541,252.50/x
  3. Step 3: Cross multiply
    1,000,139.64x = 1,380,190.23 × 541,252.50
  4. Step 4: Simplify right side
    1,000,139.64x = 747,031,412,463.08
  5. Step 5: Solve for x
    x = 747,031,412,463.08/1,000,139.64
  6. Step 6: Final answer
    x = 746,927.11

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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.