Home / 1,709,099.54-2,563,654.83-643,855.54

Finding the Fourth Proportional to 1,709,099.54, 2,563,654.83 and 643,855.54

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Solution

The fourth proportional to 1,709,099.54, 2,563,654.83 and 643,855.54 is: 965,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,099.54 : 2,563,654.83 = 643,855.54 : x
  2. Step 2: Convert to fraction form
    1,709,099.54/2,563,654.83 = 643,855.54/x
  3. Step 3: Cross multiply
    1,709,099.54x = 2,563,654.83 × 643,855.54
  4. Step 4: Simplify right side
    1,709,099.54x = 1,650,623,364,943.26
  5. Step 5: Solve for x
    x = 1,650,623,364,943.26/1,709,099.54
  6. Step 6: Final answer
    x = 965,785.39

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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.