Home / 528,986.78-793,575.50-192,499.74

Finding the Fourth Proportional to 528,986.78, 793,575.50 and 192,499.74

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Solution

The fourth proportional to 528,986.78, 793,575.50 and 192,499.74 is: 288,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,986.78 : 793,575.50 = 192,499.74 : x
  2. Step 2: Convert to fraction form
    528,986.78/793,575.50 = 192,499.74/x
  3. Step 3: Cross multiply
    528,986.78x = 793,575.50 × 192,499.74
  4. Step 4: Simplify right side
    528,986.78x = 152,763,078,082.09
  5. Step 5: Solve for x
    x = 152,763,078,082.09/528,986.78
  6. Step 6: Final answer
    x = 288,784.30

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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.