Home / 1,140,908.40-1,574,391.16-624,562.43

Finding the Fourth Proportional to 1,140,908.40, 1,574,391.16 and 624,562.43

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Solution

The fourth proportional to 1,140,908.40, 1,574,391.16 and 624,562.43 is: 861,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,908.40 : 1,574,391.16 = 624,562.43 : x
  2. Step 2: Convert to fraction form
    1,140,908.40/1,574,391.16 = 624,562.43/x
  3. Step 3: Cross multiply
    1,140,908.40x = 1,574,391.16 × 624,562.43
  4. Step 4: Simplify right side
    1,140,908.40x = 983,305,561,568.87
  5. Step 5: Solve for x
    x = 983,305,561,568.87/1,140,908.40
  6. Step 6: Final answer
    x = 861,861.97

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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.