Home / 1,877,513.29-2,815,025.61-679,279.68

Finding the Fourth Proportional to 1,877,513.29, 2,815,025.61 and 679,279.68

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Solution

The fourth proportional to 1,877,513.29, 2,815,025.61 and 679,279.68 is: 1,018,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,513.29 : 2,815,025.61 = 679,279.68 : x
  2. Step 2: Convert to fraction form
    1,877,513.29/2,815,025.61 = 679,279.68/x
  3. Step 3: Cross multiply
    1,877,513.29x = 2,815,025.61 × 679,279.68
  4. Step 4: Simplify right side
    1,877,513.29x = 1,912,189,698,099.90
  5. Step 5: Solve for x
    x = 1,912,189,698,099.90/1,877,513.29
  6. Step 6: Final answer
    x = 1,018,469.33

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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.