Home / 546,656.70-819,985.05-191,706.60

Finding the Fourth Proportional to 546,656.70, 819,985.05 and 191,706.60

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Solution

The fourth proportional to 546,656.70, 819,985.05 and 191,706.60 is: 287,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,656.70 : 819,985.05 = 191,706.60 : x
  2. Step 2: Convert to fraction form
    546,656.70/819,985.05 = 191,706.60/x
  3. Step 3: Cross multiply
    546,656.70x = 819,985.05 × 191,706.60
  4. Step 4: Simplify right side
    546,656.70x = 157,196,545,986.33
  5. Step 5: Solve for x
    x = 157,196,545,986.33/546,656.70
  6. Step 6: Final answer
    x = 287,559.90

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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.