Home / 1,476,921.47-2,215,185.34-411,874.34

Finding the Fourth Proportional to 1,476,921.47, 2,215,185.34 and 411,874.34

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Solution

The fourth proportional to 1,476,921.47, 2,215,185.34 and 411,874.34 is: 617,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,921.47 : 2,215,185.34 = 411,874.34 : x
  2. Step 2: Convert to fraction form
    1,476,921.47/2,215,185.34 = 411,874.34/x
  3. Step 3: Cross multiply
    1,476,921.47x = 2,215,185.34 × 411,874.34
  4. Step 4: Simplify right side
    1,476,921.47x = 912,377,999,890.18
  5. Step 5: Solve for x
    x = 912,377,999,890.18/1,476,921.47
  6. Step 6: Final answer
    x = 617,756.61

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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.