Home / 519,868.44-778,028.46-435,723.60

Finding the Fourth Proportional to 519,868.44, 778,028.46 and 435,723.60

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Solution

The fourth proportional to 519,868.44, 778,028.46 and 435,723.60 is: 652,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,868.44 : 778,028.46 = 435,723.60 : x
  2. Step 2: Convert to fraction form
    519,868.44/778,028.46 = 435,723.60/x
  3. Step 3: Cross multiply
    519,868.44x = 778,028.46 × 435,723.60
  4. Step 4: Simplify right side
    519,868.44x = 339,005,361,493.66
  5. Step 5: Solve for x
    x = 339,005,361,493.66/519,868.44
  6. Step 6: Final answer
    x = 652,098.37

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1.5x scale

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.