Home / 1,284,639.50-1,928,154.83-654,025.34

Finding the Fourth Proportional to 1,284,639.50, 1,928,154.83 and 654,025.34

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Solution

The fourth proportional to 1,284,639.50, 1,928,154.83 and 654,025.34 is: 981,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,639.50 : 1,928,154.83 = 654,025.34 : x
  2. Step 2: Convert to fraction form
    1,284,639.50/1,928,154.83 = 654,025.34/x
  3. Step 3: Cross multiply
    1,284,639.50x = 1,928,154.83 × 654,025.34
  4. Step 4: Simplify right side
    1,284,639.50x = 1,261,062,119,813.65
  5. Step 5: Solve for x
    x = 1,261,062,119,813.65/1,284,639.50
  6. Step 6: Final answer
    x = 981,646.69

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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.