Home / 458,840.18-688,506.30-192,627.60

Finding the Fourth Proportional to 458,840.18, 688,506.30 and 192,627.60

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Solution

The fourth proportional to 458,840.18, 688,506.30 and 192,627.60 is: 289,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,840.18 : 688,506.30 = 192,627.60 : x
  2. Step 2: Convert to fraction form
    458,840.18/688,506.30 = 192,627.60/x
  3. Step 3: Cross multiply
    458,840.18x = 688,506.30 × 192,627.60
  4. Step 4: Simplify right side
    458,840.18x = 132,625,316,153.88
  5. Step 5: Solve for x
    x = 132,625,316,153.88/458,840.18
  6. Step 6: Final answer
    x = 289,044.69

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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.