Home / 925,881.60-1,388,933.34-326,719

Finding the Fourth Proportional to 925,881.60, 1,388,933.34 and 326,719

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Solution

The fourth proportional to 925,881.60, 1,388,933.34 and 326,719 is: 490,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,881.60 : 1,388,933.34 = 326,719 : x
  2. Step 2: Convert to fraction form
    925,881.60/1,388,933.34 = 326,719/x
  3. Step 3: Cross multiply
    925,881.60x = 1,388,933.34 × 326,719
  4. Step 4: Simplify right side
    925,881.60x = 453,790,911,911.46
  5. Step 5: Solve for x
    x = 453,790,911,911.46/925,881.60
  6. Step 6: Final answer
    x = 490,117.65

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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.