Home / 619,681.39-929,325.24-198,858.85

Finding the Fourth Proportional to 619,681.39, 929,325.24 and 198,858.85

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Solution

The fourth proportional to 619,681.39, 929,325.24 and 198,858.85 is: 298,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,681.39 : 929,325.24 = 198,858.85 : x
  2. Step 2: Convert to fraction form
    619,681.39/929,325.24 = 198,858.85/x
  3. Step 3: Cross multiply
    619,681.39x = 929,325.24 × 198,858.85
  4. Step 4: Simplify right side
    619,681.39x = 184,804,543,855.75
  5. Step 5: Solve for x
    x = 184,804,543,855.75/619,681.39
  6. Step 6: Final answer
    x = 298,225.10

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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.