Home / 2,669,655.36-4,004,449.68-647,916

Finding the Fourth Proportional to 2,669,655.36, 4,004,449.68 and 647,916

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Solution

The fourth proportional to 2,669,655.36, 4,004,449.68 and 647,916 is: 971,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,655.36 : 4,004,449.68 = 647,916 : x
  2. Step 2: Convert to fraction form
    2,669,655.36/4,004,449.68 = 647,916/x
  3. Step 3: Cross multiply
    2,669,655.36x = 4,004,449.68 × 647,916
  4. Step 4: Simplify right side
    2,669,655.36x = 2,594,547,018,866.88
  5. Step 5: Solve for x
    x = 2,594,547,018,866.88/2,669,655.36
  6. Step 6: Final answer
    x = 971,865.90

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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.