Home / 452,629.76-624,116.58-289,071.32

Finding the Fourth Proportional to 452,629.76, 624,116.58 and 289,071.32

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Solution

The fourth proportional to 452,629.76, 624,116.58 and 289,071.32 is: 398,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,629.76 : 624,116.58 = 289,071.32 : x
  2. Step 2: Convert to fraction form
    452,629.76/624,116.58 = 289,071.32/x
  3. Step 3: Cross multiply
    452,629.76x = 624,116.58 × 289,071.32
  4. Step 4: Simplify right side
    452,629.76x = 180,414,203,614.49
  5. Step 5: Solve for x
    x = 180,414,203,614.49/452,629.76
  6. Step 6: Final answer
    x = 398,591.12

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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.