Home / 734,768.60-1,100,792.10-418,285.40

Finding the Fourth Proportional to 734,768.60, 1,100,792.10 and 418,285.40

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Solution

The fourth proportional to 734,768.60, 1,100,792.10 and 418,285.40 is: 626,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,768.60 : 1,100,792.10 = 418,285.40 : x
  2. Step 2: Convert to fraction form
    734,768.60/1,100,792.10 = 418,285.40/x
  3. Step 3: Cross multiply
    734,768.60x = 1,100,792.10 × 418,285.40
  4. Step 4: Simplify right side
    734,768.60x = 460,445,263,865.34
  5. Step 5: Solve for x
    x = 460,445,263,865.34/734,768.60
  6. Step 6: Final answer
    x = 626,653.43

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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.