Home / 1,140,908.78-1,574,391.68-624,562.80

Finding the Fourth Proportional to 1,140,908.78, 1,574,391.68 and 624,562.80

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Solution

The fourth proportional to 1,140,908.78, 1,574,391.68 and 624,562.80 is: 861,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,908.78 : 1,574,391.68 = 624,562.80 : x
  2. Step 2: Convert to fraction form
    1,140,908.78/1,574,391.68 = 624,562.80/x
  3. Step 3: Cross multiply
    1,140,908.78x = 1,574,391.68 × 624,562.80
  4. Step 4: Simplify right side
    1,140,908.78x = 983,306,472,834.69
  5. Step 5: Solve for x
    x = 983,306,472,834.69/1,140,908.78
  6. Step 6: Final answer
    x = 861,862.49

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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.