Home / 1,432,401.25-2,148,145.41-472,677.97

Finding the Fourth Proportional to 1,432,401.25, 2,148,145.41 and 472,677.97

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Solution

The fourth proportional to 1,432,401.25, 2,148,145.41 and 472,677.97 is: 708,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,401.25 : 2,148,145.41 = 472,677.97 : x
  2. Step 2: Convert to fraction form
    1,432,401.25/2,148,145.41 = 472,677.97/x
  3. Step 3: Cross multiply
    1,432,401.25x = 2,148,145.41 × 472,677.97
  4. Step 4: Simplify right side
    1,432,401.25x = 1,015,381,011,663.62
  5. Step 5: Solve for x
    x = 1,015,381,011,663.62/1,432,401.25
  6. Step 6: Final answer
    x = 708,866.33

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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.