Home / 546,110.20-819,165.30-521,615.80

Finding the Fourth Proportional to 546,110.20, 819,165.30 and 521,615.80

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Solution

The fourth proportional to 546,110.20, 819,165.30 and 521,615.80 is: 782,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,110.20 : 819,165.30 = 521,615.80 : x
  2. Step 2: Convert to fraction form
    546,110.20/819,165.30 = 521,615.80/x
  3. Step 3: Cross multiply
    546,110.20x = 819,165.30 × 521,615.80
  4. Step 4: Simplify right side
    546,110.20x = 427,289,563,291.74
  5. Step 5: Solve for x
    x = 427,289,563,291.74/546,110.20
  6. Step 6: Final answer
    x = 782,423.70

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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.