Home / 1,097,718.45-1,646,734.56-339,624.66

Finding the Fourth Proportional to 1,097,718.45, 1,646,734.56 and 339,624.66

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Solution

The fourth proportional to 1,097,718.45, 1,646,734.56 and 339,624.66 is: 509,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,718.45 : 1,646,734.56 = 339,624.66 : x
  2. Step 2: Convert to fraction form
    1,097,718.45/1,646,734.56 = 339,624.66/x
  3. Step 3: Cross multiply
    1,097,718.45x = 1,646,734.56 × 339,624.66
  4. Step 4: Simplify right side
    1,097,718.45x = 559,271,669,951.91
  5. Step 5: Solve for x
    x = 559,271,669,951.91/1,097,718.45
  6. Step 6: Final answer
    x = 509,485.54

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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.