Home / 1,098,628.10-1,647,942.15-433,693.70

Finding the Fourth Proportional to 1,098,628.10, 1,647,942.15 and 433,693.70

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Solution

The fourth proportional to 1,098,628.10, 1,647,942.15 and 433,693.70 is: 650,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,628.10 : 1,647,942.15 = 433,693.70 : x
  2. Step 2: Convert to fraction form
    1,098,628.10/1,647,942.15 = 433,693.70/x
  3. Step 3: Cross multiply
    1,098,628.10x = 1,647,942.15 × 433,693.70
  4. Step 4: Simplify right side
    1,098,628.10x = 714,702,128,419.46
  5. Step 5: Solve for x
    x = 714,702,128,419.46/1,098,628.10
  6. Step 6: Final answer
    x = 650,540.55

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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.