Home / 925,794.27-1,388,407.11-326,615.31

Finding the Fourth Proportional to 925,794.27, 1,388,407.11 and 326,615.31

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Solution

The fourth proportional to 925,794.27, 1,388,407.11 and 326,615.31 is: 489,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,794.27 : 1,388,407.11 = 326,615.31 : x
  2. Step 2: Convert to fraction form
    925,794.27/1,388,407.11 = 326,615.31/x
  3. Step 3: Cross multiply
    925,794.27x = 1,388,407.11 × 326,615.31
  4. Step 4: Simplify right side
    925,794.27x = 453,475,011,696.82
  5. Step 5: Solve for x
    x = 453,475,011,696.82/925,794.27
  6. Step 6: Final answer
    x = 489,822.66

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1.5x scale

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.