Home / 1,140,821.18-1,574,333.68-624,608.54

Finding the Fourth Proportional to 1,140,821.18, 1,574,333.68 and 624,608.54

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Solution

The fourth proportional to 1,140,821.18, 1,574,333.68 and 624,608.54 is: 861,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,821.18 : 1,574,333.68 = 624,608.54 : x
  2. Step 2: Convert to fraction form
    1,140,821.18/1,574,333.68 = 624,608.54/x
  3. Step 3: Cross multiply
    1,140,821.18x = 1,574,333.68 × 624,608.54
  4. Step 4: Simplify right side
    1,140,821.18x = 983,342,261,337.63
  5. Step 5: Solve for x
    x = 983,342,261,337.63/1,140,821.18
  6. Step 6: Final answer
    x = 861,960.03

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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.