Home / 1,227,431.61-1,693,850.27-683,573.85

Finding the Fourth Proportional to 1,227,431.61, 1,693,850.27 and 683,573.85

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Solution

The fourth proportional to 1,227,431.61, 1,693,850.27 and 683,573.85 is: 943,328.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,431.61 : 1,693,850.27 = 683,573.85 : x
  2. Step 2: Convert to fraction form
    1,227,431.61/1,693,850.27 = 683,573.85/x
  3. Step 3: Cross multiply
    1,227,431.61x = 1,693,850.27 × 683,573.85
  4. Step 4: Simplify right side
    1,227,431.61x = 1,157,871,746,969.57
  5. Step 5: Solve for x
    x = 1,157,871,746,969.57/1,227,431.61
  6. Step 6: Final answer
    x = 943,328.93

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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.