Home / 626,024.53-863,913.90-354,086.57

Finding the Fourth Proportional to 626,024.53, 863,913.90 and 354,086.57

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Solution

The fourth proportional to 626,024.53, 863,913.90 and 354,086.57 is: 488,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,024.53 : 863,913.90 = 354,086.57 : x
  2. Step 2: Convert to fraction form
    626,024.53/863,913.90 = 354,086.57/x
  3. Step 3: Cross multiply
    626,024.53x = 863,913.90 × 354,086.57
  4. Step 4: Simplify right side
    626,024.53x = 305,900,309,626.32
  5. Step 5: Solve for x
    x = 305,900,309,626.32/626,024.53
  6. Step 6: Final answer
    x = 488,639.50

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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.