Home / 1,719,638.70-2,579,458.05-869,333.10

Finding the Fourth Proportional to 1,719,638.70, 2,579,458.05 and 869,333.10

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Solution

The fourth proportional to 1,719,638.70, 2,579,458.05 and 869,333.10 is: 1,303,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,638.70 : 2,579,458.05 = 869,333.10 : x
  2. Step 2: Convert to fraction form
    1,719,638.70/2,579,458.05 = 869,333.10/x
  3. Step 3: Cross multiply
    1,719,638.70x = 2,579,458.05 × 869,333.10
  4. Step 4: Simplify right side
    1,719,638.70x = 2,242,408,262,926.45
  5. Step 5: Solve for x
    x = 2,242,408,262,926.45/1,719,638.70
  6. Step 6: Final answer
    x = 1,303,999.65

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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.