Home / 1,227,225.64-1,839,983.13-543,740.98

Finding the Fourth Proportional to 1,227,225.64, 1,839,983.13 and 543,740.98

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Solution

The fourth proportional to 1,227,225.64, 1,839,983.13 and 543,740.98 is: 815,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,225.64 : 1,839,983.13 = 543,740.98 : x
  2. Step 2: Convert to fraction form
    1,227,225.64/1,839,983.13 = 543,740.98/x
  3. Step 3: Cross multiply
    1,227,225.64x = 1,839,983.13 × 543,740.98
  4. Step 4: Simplify right side
    1,227,225.64x = 1,000,474,222,971.00
  5. Step 5: Solve for x
    x = 1,000,474,222,971.00/1,227,225.64
  6. Step 6: Final answer
    x = 815,232.50

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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.