Home / 699,576.28-1,043,908.39-624,178.24

Finding the Fourth Proportional to 699,576.28, 1,043,908.39 and 624,178.24

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Solution

The fourth proportional to 699,576.28, 1,043,908.39 and 624,178.24 is: 931,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,576.28 : 1,043,908.39 = 624,178.24 : x
  2. Step 2: Convert to fraction form
    699,576.28/1,043,908.39 = 624,178.24/x
  3. Step 3: Cross multiply
    699,576.28x = 1,043,908.39 × 624,178.24
  4. Step 4: Simplify right side
    699,576.28x = 651,584,901,591.43
  5. Step 5: Solve for x
    x = 651,584,901,591.43/699,576.28
  6. Step 6: Final answer
    x = 931,399.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.