Home / 1,233,060.12-1,850,639.98-485,631

Finding the Fourth Proportional to 1,233,060.12, 1,850,639.98 and 485,631

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Solution

The fourth proportional to 1,233,060.12, 1,850,639.98 and 485,631 is: 728,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,060.12 : 1,850,639.98 = 485,631 : x
  2. Step 2: Convert to fraction form
    1,233,060.12/1,850,639.98 = 485,631/x
  3. Step 3: Cross multiply
    1,233,060.12x = 1,850,639.98 × 485,631
  4. Step 4: Simplify right side
    1,233,060.12x = 898,728,144,127.38
  5. Step 5: Solve for x
    x = 898,728,144,127.38/1,233,060.12
  6. Step 6: Final answer
    x = 728,859.96

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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.