Home / 1,097,814.20-1,646,311.70-432,828.60

Finding the Fourth Proportional to 1,097,814.20, 1,646,311.70 and 432,828.60

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Solution

The fourth proportional to 1,097,814.20, 1,646,311.70 and 432,828.60 is: 649,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,814.20 : 1,646,311.70 = 432,828.60 : x
  2. Step 2: Convert to fraction form
    1,097,814.20/1,646,311.70 = 432,828.60/x
  3. Step 3: Cross multiply
    1,097,814.20x = 1,646,311.70 × 432,828.60
  4. Step 4: Simplify right side
    1,097,814.20x = 712,570,788,274.62
  5. Step 5: Solve for x
    x = 712,570,788,274.62/1,097,814.20
  6. Step 6: Final answer
    x = 649,081.41

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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.