Home / 925,868.08-1,388,913.09-326,705.41

Finding the Fourth Proportional to 925,868.08, 1,388,913.09 and 326,705.41

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Solution

The fourth proportional to 925,868.08, 1,388,913.09 and 326,705.41 is: 490,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,868.08 : 1,388,913.09 = 326,705.41 : x
  2. Step 2: Convert to fraction form
    925,868.08/1,388,913.09 = 326,705.41/x
  3. Step 3: Cross multiply
    925,868.08x = 1,388,913.09 × 326,705.41
  4. Step 4: Simplify right side
    925,868.08x = 453,765,420,522.82
  5. Step 5: Solve for x
    x = 453,765,420,522.82/925,868.08
  6. Step 6: Final answer
    x = 490,097.27

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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.