Home / 626,579.40-864,683.94-340,099.41

Finding the Fourth Proportional to 626,579.40, 864,683.94 and 340,099.41

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Solution

The fourth proportional to 626,579.40, 864,683.94 and 340,099.41 is: 469,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,579.40 : 864,683.94 = 340,099.41 : x
  2. Step 2: Convert to fraction form
    626,579.40/864,683.94 = 340,099.41/x
  3. Step 3: Cross multiply
    626,579.40x = 864,683.94 × 340,099.41
  4. Step 4: Simplify right side
    626,579.40x = 294,078,497,830.48
  5. Step 5: Solve for x
    x = 294,078,497,830.48/626,579.40
  6. Step 6: Final answer
    x = 469,339.56

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1.5x scale

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.