Home / 1,547,464.50-2,135,595.78-868,401

Finding the Fourth Proportional to 1,547,464.50, 2,135,595.78 and 868,401

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Solution

The fourth proportional to 1,547,464.50, 2,135,595.78 and 868,401 is: 1,198,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,464.50 : 2,135,595.78 = 868,401 : x
  2. Step 2: Convert to fraction form
    1,547,464.50/2,135,595.78 = 868,401/x
  3. Step 3: Cross multiply
    1,547,464.50x = 2,135,595.78 × 868,401
  4. Step 4: Simplify right side
    1,547,464.50x = 1,854,553,510,947.78
  5. Step 5: Solve for x
    x = 1,854,553,510,947.78/1,547,464.50
  6. Step 6: Final answer
    x = 1,198,446.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.