Home / 619,285.32-854,795.22-404,458.80

Finding the Fourth Proportional to 619,285.32, 854,795.22 and 404,458.80

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Solution

The fourth proportional to 619,285.32, 854,795.22 and 404,458.80 is: 558,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,285.32 : 854,795.22 = 404,458.80 : x
  2. Step 2: Convert to fraction form
    619,285.32/854,795.22 = 404,458.80/x
  3. Step 3: Cross multiply
    619,285.32x = 854,795.22 × 404,458.80
  4. Step 4: Simplify right side
    619,285.32x = 345,729,448,926.94
  5. Step 5: Solve for x
    x = 345,729,448,926.94/619,285.32
  6. Step 6: Final answer
    x = 558,271.67

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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.