Home / 1,283,889.45-1,925,932.59-385,265.73

Finding the Fourth Proportional to 1,283,889.45, 1,925,932.59 and 385,265.73

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Solution

The fourth proportional to 1,283,889.45, 1,925,932.59 and 385,265.73 is: 577,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,889.45 : 1,925,932.59 = 385,265.73 : x
  2. Step 2: Convert to fraction form
    1,283,889.45/1,925,932.59 = 385,265.73/x
  3. Step 3: Cross multiply
    1,283,889.45x = 1,925,932.59 × 385,265.73
  4. Step 4: Simplify right side
    1,283,889.45x = 741,995,825,217.14
  5. Step 5: Solve for x
    x = 741,995,825,217.14/1,283,889.45
  6. Step 6: Final answer
    x = 577,928.13

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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.