Home / 528,960.78-793,438.74-192,000.58

Finding the Fourth Proportional to 528,960.78, 793,438.74 and 192,000.58

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Solution

The fourth proportional to 528,960.78, 793,438.74 and 192,000.58 is: 287,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,960.78 : 793,438.74 = 192,000.58 : x
  2. Step 2: Convert to fraction form
    528,960.78/793,438.74 = 192,000.58/x
  3. Step 3: Cross multiply
    528,960.78x = 793,438.74 × 192,000.58
  4. Step 4: Simplify right side
    528,960.78x = 152,340,696,290.87
  5. Step 5: Solve for x
    x = 152,340,696,290.87/528,960.78
  6. Step 6: Final answer
    x = 287,999.98

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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.