Home / 609,868.20-914,802.30-189,186.60

Finding the Fourth Proportional to 609,868.20, 914,802.30 and 189,186.60

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Solution

The fourth proportional to 609,868.20, 914,802.30 and 189,186.60 is: 283,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,868.20 : 914,802.30 = 189,186.60 : x
  2. Step 2: Convert to fraction form
    609,868.20/914,802.30 = 189,186.60/x
  3. Step 3: Cross multiply
    609,868.20x = 914,802.30 × 189,186.60
  4. Step 4: Simplify right side
    609,868.20x = 173,068,336,809.18
  5. Step 5: Solve for x
    x = 173,068,336,809.18/609,868.20
  6. Step 6: Final answer
    x = 283,779.90

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1.5x scale

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.