Home / 1,054,185.78-1,581,929.30-414,377.57

Finding the Fourth Proportional to 1,054,185.78, 1,581,929.30 and 414,377.57

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Solution

The fourth proportional to 1,054,185.78, 1,581,929.30 and 414,377.57 is: 621,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,185.78 : 1,581,929.30 = 414,377.57 : x
  2. Step 2: Convert to fraction form
    1,054,185.78/1,581,929.30 = 414,377.57/x
  3. Step 3: Cross multiply
    1,054,185.78x = 1,581,929.30 × 414,377.57
  4. Step 4: Simplify right side
    1,054,185.78x = 655,516,012,372.10
  5. Step 5: Solve for x
    x = 655,516,012,372.10/1,054,185.78
  6. Step 6: Final answer
    x = 621,822.10

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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.