Home / 775,725.99-1,164,678.84-396,918.36

Finding the Fourth Proportional to 775,725.99, 1,164,678.84 and 396,918.36

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Solution

The fourth proportional to 775,725.99, 1,164,678.84 and 396,918.36 is: 595,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,725.99 : 1,164,678.84 = 396,918.36 : x
  2. Step 2: Convert to fraction form
    775,725.99/1,164,678.84 = 396,918.36/x
  3. Step 3: Cross multiply
    775,725.99x = 1,164,678.84 × 396,918.36
  4. Step 4: Simplify right side
    775,725.99x = 462,282,415,099.50
  5. Step 5: Solve for x
    x = 462,282,415,099.50/775,725.99
  6. Step 6: Final answer
    x = 595,935.19

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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.